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* In ''VisualNovel/{{Policenauts}}'', local explosive expert Redwood challenges the main character Jonathan to guess which of the two wires - red or blue - must be cut to defuse the bomb he built. Jonathan guesses red "for Redwood", only for Redwood to chastise him for believing that a bomb maker will always stick to their usual methods. Half game later, Jonathan is put in a similar situation, and he's specifically reminded of Redwood's words. [[spoiler:The player, however, must remember that [[ReversePsychology Redwood repeatedly lies to Jonathan]]. Since he built the bomb, the correct answer really is "red for Redwood"]].
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* Creator/LarryNiven [[LampshadeHanging lampshades this]] in his ''Literature/KnownSpace'' series. Two of his earlier ''Known Space'' stories, "Eye of the Octopus" and "How the Heroes Die" detail the early manned exploration of Mars, and include the characters collecting seemingly trivial data about the planet that isn't useful at the time. In the novel ''Protector'', set a hundred years later, the trivia about Mars is finally put to use. When asked how the Terrans knew such useless knowledge would one day be useful, Lucas Garner says, "No knowledge is really useless... you'll always find some use for it sooner or later."

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* Creator/LarryNiven [[LampshadeHanging lampshades this]] in his ''Literature/KnownSpace'' series. Two of his earlier ''Known Space'' stories, "Eye of the Octopus" and "How the Heroes Die" detail the early manned exploration of Mars, and include the characters collecting seemingly trivial data about the planet that isn't useful at the time. In the novel ''Protector'', ''Literature/{{Protector}}'', set a hundred years later, the trivia about Mars is finally put to use. When asked how the Terrans knew such useless knowledge would one day be useful, Lucas Garner says, "No knowledge is really useless... you'll always find some use for it sooner or later."
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* This is Invoked by Music/TomLehrer on the live album version of his performance of ''The Elements''[[note]]A song which lists the chemical elements (at least, those known at the time) "set to a possibly recognizable tune"[/note].
-->'''Tom Lehrer:''' This may prove useful to somebody some day, perhaps, in a somewhat bizarre set of circumstances...

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* This is Invoked by Music/TomLehrer on the live album version of his performance of ''The Elements''[[note]]A ''Music/AnEveningWastedWithTomLehrer'', when introducing "The Elements", a song which lists the chemical elements (at least, those known at the time) "set to a possibly recognizable tune"[/note].
tune".
-->'''Tom Lehrer:''' This may prove useful to somebody some of you some day, perhaps, in a somewhat bizarre set of circumstances...
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* This is Invoked by Creator/TomLehrer on the live album version of his performance of ''The Elements''[[note]]A song which lists the chemical elements (at least, those known at the time) "set to a possibly recognizable tune"[/note].

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* This is Invoked by Creator/TomLehrer Music/TomLehrer on the live album version of his performance of ''The Elements''[[note]]A song which lists the chemical elements (at least, those known at the time) "set to a possibly recognizable tune"[/note].
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* In ''Fanfic/TheKeysStandAlone: The Soft World'', Nangre the librarian advises George and Paul to collect the sayings, poem lines, and other bits of graffiti and trivia found just about everywhere. She says that these strange things are the feeble attempts of the gods to communicate with the outworlders, and have meanings that might not become evident for a long time. George dubs them "Gods Chat" and keeps a list of sayings.

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* In ''Fanfic/TheKeysStandAlone: The Soft World'', Nangre the librarian advises George and Paul to collect the sayings, poem lines, and other bits of graffiti and trivia found just about everywhere. She says that these strange things are the feeble attempts of the gods to communicate with the outworlders, and have meanings that might not become evident for a long time. George dubs them "Gods Chat" and keeps a list of sayings.list.
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[[folder: Fan Works]]
*In ''Fanfic/TheKeysStandAlone: The Soft World'', Nangre the librarian advises George and Paul to collect the sayings, poem lines, and other bits of graffiti and trivia found just about everywhere. She says that these strange things are the feeble attempts of the gods to communicate with the outworlders, and have meanings that might not become evident for a long time. George dubs them "Gods Chat" and keeps a list of sayings.
[[/folder]]
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* Back in volume 4 of ''LightNovel/HighSchoolDxD'', Sirzechs asks Ise as to what happens if the latter uses [[StatusBuff Gift]] on Rias' breasts, then tells him not to worry about it. Seven volumes later, [[spoiler:the spirits of the past Boosted Gear users bring it up again and sure enough, Ise uses said skill(with permission from Rias, who readily accepts), and the end result? Rias becomes a ''battery'' for Ise at the cost of her breasts ''shrinking'']].

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* Back in volume 4 of ''LightNovel/HighSchoolDxD'', Sirzechs asks Ise Issei as to what happens if the latter uses [[StatusBuff Gift]] on Rias' breasts, then tells him not to worry about it. Seven volumes later, [[spoiler:the spirits of the past Boosted Gear users bring it up again and sure enough, Ise Issei uses said skill(with permission from Rias, who readily accepts), and the end result? Rias becomes a ''battery'' for Ise Issei at the cost of her breasts ''shrinking'']].
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** The sequel does something similar as well. When Wayne and Garth arrive outside of a studio, a number of men are doing things such as moving a window back and forth across the street, stacking fruit, and so on. When asked why, the workers reply that it's just their job. Later on Wayne crashes through them all in his car in a stereotypical "action sequence", causing the workers to state in satisfied fashion that their job is done. Of course, the "handiness" of this is almost entirely under the RuleofCool.

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** The sequel does something similar as well. When Wayne and Garth arrive outside of a studio, a number of men are doing things such as moving a window back and forth across the street, stacking fruit, and so on. When asked why, the workers reply that it's just their job. Later on Wayne crashes through them all in his car in a stereotypical "action sequence", causing the workers to state in satisfied fashion that their job is done. Of course, the "handiness" of this is almost entirely under the RuleofCool.RuleOfCool.
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* The "The $99,000 Answer" episode of ''Series/TheHoneymooners''. Music-guru Ralph learns he is to be a contestant on a music trivia game show and Norton helps him practice for the show by playing snippets of various songs on the piano. To Ralph's ever-increasing annoyance, Norton always warms up by playing the first two lines of "Old Folks at Home" ("Way down upon the Suwanee River, far far away"). When Ralph confidently appears on the game show, the first musical clue he hears is the same two lines that Norton always warmed up with. Ralph is dumbstruck, can't come up with the answer, and is eliminated from the game on the very first question. For the record, [[CrowningMomentOfFunny he guessed that Norton composed it]].

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* The ''Series/TheHoneymooners'', episode "The $99,000 Answer" episode of ''Series/TheHoneymooners''.Answer". Music-guru Ralph learns he is to be a contestant on a music trivia game show and Norton helps him practice for the show by playing snippets of various songs on the piano. To Ralph's ever-increasing annoyance, Norton always warms up by playing the first two lines of "Old Folks at Home" ("Way down upon the Suwanee River, far far away"). When Ralph confidently appears on the game show, the first musical clue he hears is the same two lines that Norton always warmed up with. Ralph is dumbstruck, can't come up with the answer, and is eliminated from the game on the very first question. For the record, [[CrowningMomentOfFunny he guessed that Norton composed it]].
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** "Termites of Endearment" Dave refuses to practice sword fighting because he's busy making decorative knick-knacks for sale, although nobody wants to buy them. His sister Fang badgers him to practice fighting, and Dave says "one day my love of decorative knick-knacks will one day save us all." He keeps saying this throughout the episode, usually directly to the audience. Then the MonsterOfTheWeek attacks, defeats everyone easily, and is about to kill them all--when it notices one of Dave's things and says, "did I ever tell you how much I love decorative knick-knacks?" Cut to Dave selling thousands of knick-knacks to the monster. Fang looks at him and says, deadpan, "I so hate you right now."

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** "Termites of Endearment" Dave refuses to practice sword fighting because he's busy making decorative knick-knacks for sale, although nobody wants to buy them. sale. His sister Fang badgers him to practice fighting, and Dave says "one day my love of decorative knick-knacks will one day save us all." all!" He keeps saying this throughout the episode, usually directly to the audience. Then the MonsterOfTheWeek attacks, defeats everyone easily, and is about to kill them all--when it Dave notices one of Dave's things the monster's bracelet. The monster and says, "did I ever tell you how much I love decorative knick-knacks?" Cut to Dave selling thousands of agree to knick-knacks to the monster. Fang looks at him and says, deadpan, "I so hate you right now."together.
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** This trope title comes from the episode "Termites of Endearment". Dave refuses to practice sword fighting because he's busy making decorative knick-knacks for sale, although nobody wants to buy them. His sister Fang badgers him to practice fighting, and Dave says "trust me, someday my love of decorative knick-knacks will come in handy!" He keeps saying this throughout the episode, usually directly to the audience. Then the MonsterOfTheWeek attacks, defeats everyone easily, and is about to kill them all--when it notices one of Dave's things and says, "did I ever tell you how much I love decorative knick-knacks?" Cut to Dave selling thousands of knick-knacks to the monster. Fang looks at him and says, deadpan, "I so hate you right now."

to:

** This trope title comes from the episode "Termites of Endearment". Endearment" Dave refuses to practice sword fighting because he's busy making decorative knick-knacks for sale, although nobody wants to buy them. His sister Fang badgers him to practice fighting, and Dave says "trust me, someday "one day my love of decorative knick-knacks will come in handy!" one day save us all." He keeps saying this throughout the episode, usually directly to the audience. Then the MonsterOfTheWeek attacks, defeats everyone easily, and is about to kill them all--when it notices one of Dave's things and says, "did I ever tell you how much I love decorative knick-knacks?" Cut to Dave selling thousands of knick-knacks to the monster. Fang looks at him and says, deadpan, "I so hate you right now."
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* In ''VideoGame/FatalFrame'' 4, Ruka's mother taught her a specific song on the piano and it is one of the few memories she has from her childhood. It turns out to be vital, because [[spoiler: it is the sacred Tsukimori Song, the only thing capable of defeating Sakuya]].
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* In ''VideoGame/RuneScape'', one sidequest, Mahjarrat Memories, gives you an Engrammeter as a reward. Kharshai states at the end of the quest that he wonders what would happen if you were to use it on [[spoiler:Freneskae]], although he then goes on to say that he fails to see any situation in which you would go there. [[Foreshadowing Guess where you end up going in the (sort of) sequel to the quest?]]

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* In ''VideoGame/RuneScape'', one sidequest, Mahjarrat Memories, gives you an Engrammeter as a reward. Kharshai states at the end of the quest that he wonders what would happen if you were to use it on [[spoiler:Freneskae]], although he then goes on to say that he fails to see any situation in which you would go there. [[Foreshadowing [[{{Foreshadowing}} Guess where you end up going in the (sort of) sequel to the quest?]]
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* In ''VideoGame/RuneScape'', one sidequest, Mahjarrat Memories, gives you an Engrammeter as a reward. Kharshai states at the end of the quest that he wonders what would happen if you were to use it on [[spoiler:Freneskae]], although he then goes on to say that he fails to see any situation in which you would go there. [[Foreshadowing Guess where you end up going in the (sort of) sequel to the quest?]]
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* Ian from ''Manga/FairyCube'' has read every book that has any information on fairies since childhood. When Kaito transports him to the Otherworld and Ian has to proceed to get back out, he uses his knowledge to fight, using a pair of iron scissors that are an effective weapon against fairies and gets Ainsel across a sweetwater river, so that the Nuckelavee chasing them can't follow them.
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* In the {{Leverage}} episode "The Corkscrew Job", we learn that while a winery now uses sophisticated technology to filter out deadly CO2 from the lower levels of the winery, before that technology was available, they periodically opened certain doors in the upper level to allow the CO2 to escape. At the end of the episode, the owner of the winery shuts off said sophisticated technology in an attempt to kill someone via CO2 poisoning and make it look like an accident, and Parker and Elliot use that knowledge to open those doors and release the CO2.

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* In the {{Leverage}} ''Series/{{Leverage}}'' episode "The Corkscrew Job", we learn that while a winery now uses sophisticated technology to filter out deadly CO2 carbon dioxide from the lower levels of the winery, before that technology was available, they periodically opened certain doors in the upper level to allow the CO2 gas to escape. At the end of the episode, the owner of the winery shuts off said sophisticated technology in an attempt to kill someone via CO2 carbon dioxide poisoning and make it look like an accident, and Parker and Elliot use that knowledge to open those doors and release the CO2.gas.
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* Subverted in ''Film/{{Titanic}}'' (1997): While being given a tour of the ship, Rose's entourage is shown the equipment in the Titanic's gymnasium, which includes a rowing machine. When offered to give it a try, Rose's mother remarks, "Don't be absurd. I can't imagine a skill I should likely need less!"

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* Subverted in ''Film/{{Titanic}}'' (1997): ''Film/{{Titanic 1997}}'': While being given a tour of the ship, Rose's entourage is shown the equipment in the Titanic's gymnasium, which includes a rowing machine. When offered to give it a try, Rose's mother remarks, "Don't be absurd. I can't imagine a skill I should likely need less!"
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* Back in volume 4 of ''LightNovel/HighSchoolDXD'', Sirzechs asks Ise as to what happens if the latter uses [[StatusBuff Gift]] on Rias' breasts, then tells him not to worry about it. Seven volumes later, [[spoiler:the spirits of the past Boosted Gear users bring it up again and sure enough, Ise uses said skill(with permission from Rias, who readily accepts), and the end result? Rias becomes a ''battery'' for Ise at the cost of her breasts ''shrinking'']].

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* Back in volume 4 of ''LightNovel/HighSchoolDXD'', ''LightNovel/HighSchoolDxD'', Sirzechs asks Ise as to what happens if the latter uses [[StatusBuff Gift]] on Rias' breasts, then tells him not to worry about it. Seven volumes later, [[spoiler:the spirits of the past Boosted Gear users bring it up again and sure enough, Ise uses said skill(with permission from Rias, who readily accepts), and the end result? Rias becomes a ''battery'' for Ise at the cost of her breasts ''shrinking'']].
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-->--''[[Literature/{{Belgariad}} The Malloreon]]'', '''Creator/DavidEddings'''

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-->--''[[Literature/{{Belgariad}} -->-- ''[[Literature/{{Belgariad}} The Malloreon]]'', '''Creator/DavidEddings'''
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* In the {{Leverage}} episode "The Corkscrew Job", we learn that while a winery now uses sophisticated technology to filter out deadly CO2 from the lower levels of the winery, before that technology was available, they periodically opened certain doors in the upper level to allow the CO2 to escape. At the end of the episode, the owner of the winery shuts off said sophisticated technology in an attempt to kill someone via CO2 poisoning and make it look like an accident, and Parker and Elliot use that knowledge to open those doors and release the CO2.
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-->-- ''[[Literature/{{Belgariad}} The Malloreon]]'' by '''Creator/DavidEddings'''

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-->-- ''[[Literature/{{Belgariad}} -->--''[[Literature/{{Belgariad}} The Malloreon]]'' by Malloreon]]'', '''Creator/DavidEddings'''



[[folder:Anime & Manga]]

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[[folder:Anime & and Manga]]



* Back in volume 4 of ''LightNovel/HighSchoolDXD'', Sirzechs asks Ise as to what happens if the latter uses [[StatusBuff Gift]] on Rias' breasts, then tells him not to worry about it. Seven volumes later, [[spoiler: the spirits of the past Boosted Gear users bring it up again and sure enough, Ise uses said skill(with permission from Rias who readily accepts), and the end result? Rias becomes a ''battery'' for Ise at the cost of her breasts ''shrinking''.]]

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* Back in volume 4 of ''LightNovel/HighSchoolDXD'', Sirzechs asks Ise as to what happens if the latter uses [[StatusBuff Gift]] on Rias' breasts, then tells him not to worry about it. Seven volumes later, [[spoiler: the [[spoiler:the spirits of the past Boosted Gear users bring it up again and sure enough, Ise uses said skill(with permission from Rias Rias, who readily accepts), and the end result? Rias becomes a ''battery'' for Ise at the cost of her breasts ''shrinking''.]]''shrinking'']].



* In {{Literature/Island}}, Ian is a little kid who spent all his time watching the Discovery channel and other informative TV channels. It ends up saving the groups life more than once when the group of preteens ages 11 to 14 get marooned on an uncharted island by themselves [[spoiler: well, not really by themselves. There's also a terrorist group on there too.]]

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* In {{Literature/Island}}, ''Literature/{{Island}}'', Ian is a little kid who spent all his time watching the Discovery channel Channel and other informative TV channels. It ends up saving the groups group's life more than once when the group of preteens preteens, ages 11 to 14 14, get marooned on an uncharted island by themselves [[spoiler: well, [[spoiler:well, not really by themselves. There's also a terrorist group on there too.]]too]].



* ''Series/{{Glee}}''

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* ''Series/{{Glee}}''''Series/{{Glee}}'':



* In ''Series/CriminalMinds'', Dr. Spencer Reid is the ''king'' of this trope. Knowledge of Siouxsie and the Banshees, 14th century English literature and government issued traffic reports? You betcha.
* The "The $99,000 Answer" episode of ''Series/TheHoneymooners''. Music-guru Ralph learns he is to be a contestant on a music trivia game show and Norton helps him practice for the show by playing snippets of various songs on the piano. To Ralph's ever-increasing annoyance, Norton always warms up by playing the first two lines of "Old Folks at Home" ("Way down upon the Suwanee River, far far away."). When Ralph confidently appears on the game show, the first musical clue he hears is the same two lines that Norton always warmed up with. Ralph is dumbstruck, can't come up with the answer, and is eliminated from the game on the very first question. For the record, [[CrowningMomentOfFunny he guessed that Norton composed it.]]

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* In ''Series/CriminalMinds'', Dr. Spencer Reid is the ''king'' of this trope. Knowledge of Siouxsie and the Banshees, 14th century 14th-century English literature literature, and government issued government-issued traffic reports? You betcha.
* The "The $99,000 Answer" episode of ''Series/TheHoneymooners''. Music-guru Ralph learns he is to be a contestant on a music trivia game show and Norton helps him practice for the show by playing snippets of various songs on the piano. To Ralph's ever-increasing annoyance, Norton always warms up by playing the first two lines of "Old Folks at Home" ("Way down upon the Suwanee River, far far away.").away"). When Ralph confidently appears on the game show, the first musical clue he hears is the same two lines that Norton always warmed up with. Ralph is dumbstruck, can't come up with the answer, and is eliminated from the game on the very first question. For the record, [[CrowningMomentOfFunny he guessed that Norton composed it.]]it]].



-->'''Tom Lehrer:''' "This may prove useful to somebody some day, perhaps, in a somewhat bizarre set of circumstances..."[[/folder]]

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-->'''Tom Lehrer:''' "This This may prove useful to somebody some day, perhaps, in a somewhat bizarre set of circumstances..."[[/folder]]
circumstances...
[[/folder]]



* ''TabletopGame/DungeonsAndDragons''

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* ''TabletopGame/DungeonsAndDragons''''TabletopGame/DungeonsAndDragons'':



** All of the gnomes (an entire nation's worth) in the ''TabletopGame/{{Eberron}}'' setting collects information constantly just in case some bit of it comes in handly later.
* In the ''TabletopGame/NewWorldOfDarkness'' TabletopRPG, EncyclopedicKnowledge, which is a four-dot Merit (keeping in mind that you only get seven dots for Merits at character creation), is basically this, allowing you to make a roll anytime you come across... well, ''anything'', really, that might cause you to remember something you once read/heard/saw that might be pertinent to the situation. Also, you can ''only'' buy it at character creation, because "you've either spent your life soaking up useless trivia or you haven't."

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** All of the gnomes (an entire nation's worth) in the ''TabletopGame/{{Eberron}}'' setting collects collect information constantly constantly, just in case some bit of it comes in handly handy later.
* In the ''TabletopGame/NewWorldOfDarkness'' TabletopRPG, EncyclopedicKnowledge, which is a four-dot Merit (keeping in mind that you only get seven dots for Merits at character creation), is basically this, allowing you to make a roll anytime you come across... well, ''anything'', really, that might cause you to remember something you once read/heard/saw that might be pertinent to the situation. Also, you can ''only'' buy it at character creation, because "you've either spent your life soaking up useless trivia or you haven't."haven't".



* ''VideoGame/{{Portal 2}}'': (paraphrased) "Moonrocks crushed into powder and then mixed with water"..."makes a great conductor for portals" becomes extremely useful during the final boss battle, not only at the beginning but [[spoiler:at the end your character shoots a portal into the moon, thereby sucking the BBEG into space]]

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* ''VideoGame/{{Portal 2}}'': (paraphrased) "Moonrocks crushed into powder and then mixed with water"..."makes a great conductor for portals" becomes extremely useful during the final boss battle, not only at the beginning but [[spoiler:at the end your character shoots a portal into the moon, thereby sucking the BBEG into space]]space]].



* ''Literature/WhateleyUniverse''

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* ''Literature/WhateleyUniverse''''Literature/WhateleyUniverse'':



* The Hermit, one of the TAROT villains from the ''GlobalGuardiansPBEMUniverse'' retains a perfect memory of everything he ever experienced from the time of his childbirth, and is a voracious reader. He's also one of the world's smartest people, allowing him to put his EncyclopedicKnowledge of ''everything'' [[CrazyPrepared to use against his opponents]]. He's a villain the heroes hate going up against, simply because he's so annoyingly effective.

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* The Hermit, one of the TAROT villains from the ''GlobalGuardiansPBEMUniverse'' ''Roleplay/GlobalGuardiansPBEMUniverse'' retains a perfect memory of everything he ever experienced from the time of his childbirth, and is a voracious reader. He's also one of the world's smartest people, allowing him to put his EncyclopedicKnowledge of ''everything'' [[CrazyPrepared to use against his opponents]]. He's a villain the heroes hate going up against, simply because he's so annoyingly effective.



* Happens twice on ''WesternAnimation/{{Futurama}}''. In one case, Fry's knowledge of 20th-century TV is what saves the Earth from a horde of [[SeriousBusiness invading aliens]] (they wanted to see the final episode of a [[AliensStealCable TV show]] that was knocked off the air) because Fry spilled beer on the TV station's control panel while delivering a pizza in the 20th century; and in the other case, Fry's knowledge of "good old-fashioned 20th-century garbage-making skills" saves the Earth from... a gigantic ball of 20th century garbage... for now.

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* Happens twice on ''WesternAnimation/{{Futurama}}''. In one case, Fry's knowledge of 20th-century TV is what saves the Earth from a horde of [[SeriousBusiness invading aliens]] (they wanted to see the final episode of a [[AliensStealCable TV show]] that was knocked off the air) air because Fry spilled beer on the TV station's control panel while delivering a pizza in the 20th century; century); and in the other case, Fry's knowledge of "good old-fashioned 20th-century garbage-making skills" saves the Earth from... from...a gigantic ball of 20th century garbage... 20th-century garbage...for now.



--> '''Magnanimous:''' Now, lose the fight or I'll drop your friends into the ''quantum singularity''!\\
(''flashback to Coop not paying attention at school'')\\

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--> '''Magnanimous:''' -->'''Magnanimous:''' Now, lose the fight or I'll drop your friends into the ''quantum singularity''!\\
(''flashback ''[flashback to Coop not paying attention at school'')\\school]''\\



(''back to the present'')\\

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(''back ''[back to the present'')\\present]''\\



* In ''WesternAnimation/PinkyAndTheBrain'', Brain is on a game show, and Pinky annoys him by chatting in his ear. Pinky is about to talk about ''Series/TheHoneymooners'' when Brain silences him. The final question, [[GoldenSnitch worth everything]], is about -- ''The Honeymooners''. This is probably a ShoutOut to an episode of ''The HoneyMooners'' where something similar happens.

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* In ''WesternAnimation/PinkyAndTheBrain'', Brain is on a game show, and Pinky annoys him by chatting in his ear. Pinky is about to talk about ''Series/TheHoneymooners'' when Brain silences him. The final question, [[GoldenSnitch worth everything]], is about -- ''The about--''The Honeymooners''. This is probably a ShoutOut to an episode of ''The HoneyMooners'' ''Series/TheHoneymooners'' where something similar happens.



** This trope title comes from the episode "Termites of Endearment". Dave refuses to practice sword fighting because he's busy making decorative knick-knacks for sale, although nobody wants to buy them. His sister Fang badgers him to practice fighting, and Dave says "trust me, someday my love of decorative knick-knacks will come in handy!" He keeps saying this throughout the episode, usually directly to the audience. Then the MonsterOfTheWeek attacks, defeats everyone easily, and is about to kill them all -- when it notices one of Dave's things and says, "did I ever tell you how much I love decorative knick-knacks?" Cut to Dave selling thousands of knick-knacks to the monster. Fang looks at him and says, deadpan, "I so hate you right now."

to:

** This trope title comes from the episode "Termites of Endearment". Dave refuses to practice sword fighting because he's busy making decorative knick-knacks for sale, although nobody wants to buy them. His sister Fang badgers him to practice fighting, and Dave says "trust me, someday my love of decorative knick-knacks will come in handy!" He keeps saying this throughout the episode, usually directly to the audience. Then the MonsterOfTheWeek attacks, defeats everyone easily, and is about to kill them all -- when all--when it notices one of Dave's things and says, "did I ever tell you how much I love decorative knick-knacks?" Cut to Dave selling thousands of knick-knacks to the monster. Fang looks at him and says, deadpan, "I so hate you right now."



* ''Series/WhoWantsToBeAMillionaire'' Since there was no hard time limit until recently, the contestant was always sure to regale the viewers at home with their life story every time they encountered a [[WarmupBoss $200 question]] that somehow related to it. The first contestant to win the full million (with no lifelines!) was asked which of the options was not a federal holiday. He informed the audience that he was a federal employee and [=BSed=] about it for a while before answering the question.
* ''[[http://en.wikipedia.org/wiki/Academic_Bowl Quizbowl]]''. Being a repository of completely random knowledge is an immense asset. Subverted by the [[http://www.qbwiki.com/wiki/Canon Canon]], thanks to which experienced players can predict fairly accurately what topics will come up and study accordingly. Probably most of the points good players accumulate are the result of targeted accumulation.
* ''Series/{{QI}}''
* ''Series/{{Jeopardy}}'' and trivia shows in general. Just look at Ken Jennings, the man with the longest ever run on ''Jeopardy''.

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* ''Series/WhoWantsToBeAMillionaire'' ''Series/WhoWantsToBeAMillionaire'': Since there was no hard time limit until recently, the contestant was always sure to regale the viewers at home with their life story every time they encountered a [[WarmupBoss $200 question]] that somehow related to it. The first contestant to win the full million (with no lifelines!) was asked which of the options was not a federal holiday. He informed the audience that he was a federal employee and [=BSed=] about it for a while before answering the question.
* ''[[http://en.wikipedia.org/wiki/Academic_Bowl Quizbowl]]''. Being a repository of completely random knowledge is an immense asset. Subverted by the [[http://www.qbwiki.com/wiki/Canon Canon]], thanks to which which, experienced players can predict fairly accurately what topics will come up and study accordingly. Probably most of the points good players accumulate are the result of targeted accumulation.
* ''Series/{{QI}}''
''Series/{{QI}}''.
* ''Series/{{Jeopardy}}'' ''Series/{{Jeopardy}}'', and trivia shows in general. Just look at Ken Jennings, the man with the longest ever longest-ever run on ''Jeopardy''.
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[[folder:Music]]
*This is Invoked by Creator/TomLehrer on the live album version of his performance of ''The Elements''[[note]]A song which lists the chemical elements (at least, those known at the time) "set to a possibly recognizable tune"[/note].
-->'''Tom Lehrer:''' "This may prove useful to somebody some day, perhaps, in a somewhat bizarre set of circumstances..."[[/folder]]
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* Averted in ''VideoGame/FinalFantasyVII'' when you search a locker in the Shinra Building and find a megaphone. Cloud sees no reason why he would need it, so he just leaves it there. The next time you visit the building you have since acquired a party member who [[ImprobableWeaponUser can use megaphones as weapons]], so you can pick it up if you remember to search the locker again.
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* In {{Literature/Island}}, Ian is a little kid who spent all his time watching the Discovery channel and other informative TV channels. It ends up saving the groups life more than once when the group of preteens ages 11 to 14 get marooned on an uncharted island by themselves [[spoiler: well, not really by themselves. There's also a terrorist group on there too.]]
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* Parodied in GirlChanInParadise, when Kenstar is asked how he knew to break the artist Bushido Blaster's giant pencil, and has a flashback to when he was a kid.
--> '''Kenstar's Mother:''' [[NoIndoorVoice DEAR SON KENSTAR, BREAK THAT PENCIL.]]
--> '''Kenstar:''' WHYYYY, MOTHER-SAN?
--> '''Kenstar's Mother:''' SOMEDAY YOU'LL LEARN, KENSTAR. SOMEDAY.
--> '''Kenstar:''' WOOOOOOOOOOOW
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* Parodied in GirlChanInParadise, when Kenstar is asked how he knew to break the artist Bushido Blaster's giant pencil, and has a flashback to when he was a kid.
--> '''Kenstar's Mother:''' [[NoIndoorVoice DEAR SON KENSTAR, BREAK THAT PENCIL.]]
--> '''Kenstar:''' WHYYYY, MOTHER-SAN?
--> '''Kenstar's Mother:''' SOMEDAY YOU'LL LEARN, KENSTAR. SOMEDAY.
--> '''Kenstar:''' WOOOOOOOOOOOW
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* Pub Quizzes often have sections which are basically set up to encourage this.

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Namespace links. Removing Gamebooks and Buffy examples, which are not this trope.


->''"You're an absolute gold mine of useless information, you know that?"''
->''"There's no such thing as useless information, Kheldar."''
-->-- Silk and Beldin, David Eddings's ''[[TheBelgariad The Malloreon]]''

to:

->''"You're ->'''Silk:''' You're an absolute gold mine of useless information, you know that?"''
->''"There's
that?\\
'''Beldin:''' There's
no such thing as useless information, Kheldar."''
Kheldar.
-->-- Silk and Beldin, David Eddings's ''[[TheBelgariad ''[[Literature/{{Belgariad}} The Malloreon]]''
Malloreon]]'' by '''Creator/DavidEddings'''



[[folder:Anime and Manga]]
* In ''SaintBeast'', an angel helping Shin move drops a stack of his books and the first one Shin picks up is an old one he's had for a long time about witchcraft transformation. The MonsterOfTheWeek? An evil tree that's actually an angel who underwent witchcraft transformation.
* Back in volume 4 of ''HighSchoolDXD'', Sirzechs asks Ise as to what happens if the latter uses [[StatusBuff Gift]] on Rias' breasts, then tells him not to worry about it. Seven volumes later, [[spoiler: the spirits of the past Boosted Gear users bring it up again and sure enough, Ise uses said skill(with permission from Rias who readily accepts), and the end result? Rias becomes a ''battery'' for Ise at the cost of her breasts ''shrinking''.]]

to:

[[folder:Anime and & Manga]]
* In ''SaintBeast'', ''AudioPlay/SaintBeast'', an angel helping Shin move drops a stack of his books and the first one Shin picks up is an old one he's had for a long time about witchcraft transformation. The MonsterOfTheWeek? An evil tree that's actually an angel who underwent witchcraft transformation.
* Back in volume 4 of ''HighSchoolDXD'', ''LightNovel/HighSchoolDXD'', Sirzechs asks Ise as to what happens if the latter uses [[StatusBuff Gift]] on Rias' breasts, then tells him not to worry about it. Seven volumes later, [[spoiler: the spirits of the past Boosted Gear users bring it up again and sure enough, Ise uses said skill(with permission from Rias who readily accepts), and the end result? Rias becomes a ''battery'' for Ise at the cost of her breasts ''shrinking''.]]



[[folder:Comicbooks]]
* A short ''Franchise/{{Batman}}: Black And White'' story by WarrenEllis and JimLee features Batman hunting down a murderous senator and fighting his way through his goons. Each skill that Batman uses is followed immediately by a one or two panel flashback showing how he learned it. These include [[CrazyPrepared building a remote control, knowing the smell of every aftershave ever, knowing the exact hole size and shape different caliber bullets make in different body parts, kicking a tree in half and identifying how recently someone had a manicure from the nail impressions left in skin.]]

to:

[[folder:Comicbooks]]
[[folder:Comic Books]]
* A short ''Franchise/{{Batman}}: Black And and White'' story by WarrenEllis Creator/WarrenEllis and JimLee Creator/JimLee features Batman hunting down a murderous senator and fighting his way through his goons. Each skill that Batman uses is followed immediately by a one or two panel flashback showing how he learned it. These include [[CrazyPrepared building a remote control, knowing the smell of every aftershave ever, knowing the exact hole size and shape different caliber bullets make in different body parts, kicking a tree in half and identifying how recently someone had a manicure from the nail impressions left in skin.]]



[[folder:Film]]
* This is pretty much the plot of ''SlumdogMillionaire''. Although, it's less that the main character is full of useless information as it is every memorable event in his life happened to intercross with the questions. Sort of like if your life was a ChekhovsArmory.
* In ''PlanetTerror'', Cherry Darling even calls many of her skills 'Useless talents' and numbers them.
* In ''LegallyBlonde'', law student Elle Woods' extensive knowledge of fashion allows her to both a) discredit a witness and b) implicate the true guilty party in the case. And she does it again in the sequel, this time to prove that a certain politician was a) not getting a facial and b) secretly against a "no testing on animals" bill she's working on.
* In ''WaynesWorld'' where a security guard conveys suitably detailed explanation about the whereabouts of the big-time music producer Frank Sharp. Wayne hangs a lampshade on it at the time by commenting "For a security guard, he had an awful lot of information, don't you think?"
** Wayne lampshades this again later, when Sharp's whereabouts suddenly become important: "Aren't you glad we were there to hear that information? Seemed extraneous at the time."

to:

[[folder:Film]]
[[folder:Films -- Live-Action]]
* This is pretty much the plot of ''SlumdogMillionaire''.''Film/SlumdogMillionaire''. Although, it's less that the main character is full of useless information as it is every memorable event in his life happened to intercross with the questions. Sort of like if your life was a ChekhovsArmory.
* In ''PlanetTerror'', ''Film/PlanetTerror'', Cherry Darling even calls many of her skills 'Useless talents' and numbers them.
* In ''LegallyBlonde'', ''Film/LegallyBlonde'', law student Elle Woods' extensive knowledge of fashion allows her to both a) discredit a witness and b) implicate the true guilty party in the case. And she does it again in the sequel, this time to prove that a certain politician was a) not getting a facial and b) secretly against a "no testing on animals" bill she's working on.
* In ''WaynesWorld'' where a ''Film/WaynesWorld''
** A
security guard conveys suitably detailed explanation about the whereabouts of the big-time music producer Frank Sharp. Wayne hangs a lampshade on it at the time by commenting "For a security guard, he had an awful lot of information, don't you think?"
**
think?" Wayne lampshades this again later, when Sharp's whereabouts suddenly become important: "Aren't you glad we were there to hear that information? Seemed extraneous at the time."



* ''Film/MontyPythonAndTheHolyGrail''. The argument in the beginning about where Arthur's henchman got the coconuts allows Arthur to pass across the bridge over the Bottomless Pit. Sadly, the musical ''{{Spamalot}}'' used the argument at the beginning, but not the usefulness later.

to:

* ''Film/MontyPythonAndTheHolyGrail''. The argument in the beginning about where Arthur's henchman got the coconuts allows Arthur to pass across the bridge over the Bottomless Pit. Sadly, the musical ''{{Spamalot}}'' ''Theatre/{{Spamalot}}'' used the argument at the beginning, but not the usefulness later.



* ''Film/{{Mindhunters}}'' had one character know the exact speed of light, and this came in handy as to figure out how someone would be killed next.

to:

* ''Film/{{Mindhunters}}'' had has one character know the exact speed of light, and this came in handy as to figure out how someone would be killed next.



* Charles Morse from ''TheEdge'' is a collector of useless trivia... some of which comes in very useful when he is stranded in the Arctic.
* Gloria from ''WhiteMenCantJump'' collects useless trivia, which comes in handy when she gets onto ''Series/{{Jeopardy}}''. The categories are all her weird topics, like "Foods that start with the letter Q."
* In ''Film/DudeWheresMyCar?'' one of the main characters regularly watches ''Animal Planet''. This eventually comes in handy as he learned that sometimes animals use tools like sticks [[spoiler:or straws]] and also something useful about [[spoiler:ostriches.]]

to:

* Charles Morse from ''TheEdge'' ''Film/TheEdge'' is a collector of useless trivia... some of which comes in very useful when he is stranded in the Arctic.
* Gloria from ''WhiteMenCantJump'' ''Film/WhiteMenCantJump'' collects useless trivia, which comes in handy when she gets onto ''Series/{{Jeopardy}}''. ''Series/{{Jeopardy}}'' The categories are all her weird topics, like "Foods that start with the letter Q."
* In ''Film/DudeWheresMyCar?'' ''Film/DudeWheresMyCar'' one of the main characters regularly watches ''Animal Planet''.''Creator/AnimalPlanet''. This eventually comes in handy as he learned that sometimes animals use tools like sticks [[spoiler:or straws]] and also something useful about [[spoiler:ostriches.]]



* ''Theatre/TheHistoryBoys'' plays with this a lot. At least two examples:
-->'''Timms:''' Most of the stuff poetry's about hasn't happened to us yet!
-->'''Hector:''' But it will, Timms, it will. And when it does you'll have the antidote ready.

to:

* ''Theatre/TheHistoryBoys'' plays with this a lot. At least two examples:
lot.
** A first example:
-->'''Timms:''' Most of the stuff poetry's about hasn't happened to us yet!
-->'''Hector:'''
yet!\\
'''Hector:'''
But it will, Timms, it will. And when it does you'll have the antidote ready.



-->'''Wilkes:''' One day it'll save your life.
-->'''Posner:''' Nothing saves anyone's life. It just postpones their death.
-->'''Wilkes:''' Jesus Christ will save your life, lad, if you'll only let him into your heart.
-->'''Posner:''' I'm Jewish, sir.

to:

-->'''Wilkes:''' One day it'll save your life.
-->'''Posner:'''
life.\\
'''Posner:'''
Nothing saves anyone's life. It just postpones their death.
-->'''Wilkes:'''
death.\\
'''Wilkes:'''
Jesus Christ will save your life, lad, if you'll only let him into your heart.
-->'''Posner:'''
heart.\\
'''Posner:'''
I'm Jewish, sir.



* DanBrown's ''AngelsAndDemons'' (as well as ''TheDaVinciCode'') is a particularly {{Anvilicious}} user of this trope. In a possible LampshadeHanging, A&D actually contains the line "He never suspected that later that night, in a country hundreds of miles away, that information would save his life", regarding the fact that one square yard of drag will slow a falling body almost 20%.
* The page quote comes from either ''TheMalloreon'' by David and Leigh Eddings. Sure enough, towards the end of ''TheMalloreon'' something Beldin said turns out to be of vital importance- both the heroes and villains need to find out where to go for the final showdown from the Seers at Kell, when [[spoiler: Belgarath remembers Beldin mentioning "the Grolims are still afraid to go near Kell"- the villains can't go themselves.]]
** Of course, this is something that Beldin and Belgarath have both known perfectly well for centuries. It's common knowledge among the world's sorcerors and, of course, the Grolims. Mentioning it early in the story for later use is an excellent example of ChekhovsGun, but this may not exactly fit the trope since it isn't ''unusual'' knowledge.
** The page quote ''itself'' simply refers to Silk learning that green is made from blue and yellow...which had absolutely no impact on the plot beyond explaining [[spoiler: why the Sardion was red]].
* ''WatershipDown'' has a couple instances of this.
** Early in the book, the rabbits discover that sitting on a floating piece of wood allows a rabbit to float. This is a difficult concept for such simple animals, and only a couple of the group can wrap their heads around it. After using this principle to help a wounded rabbit get across the brook, Blackberry comments: "I admit it was a good idea. Let's remember it. [[LampshadeHanging It might come in handy]] [[{{Foreshadowing}} again sometime]]." And of course, [[spoiler: it ''does''. When the rabbits have to make a quick getaway from an enemy patrol, their plan hinges on getting on a little punt and biting the rope. The enemy rabbits (and many of the escapees) are completely baffled by this tactic.]]
** Hazel, on an impulse, saves a mouse from a kestrel. This is seen as unusual because rabbits usually have no associations with other non-predator species. Hazel, however, sees it as an opportunity. Mice are fairly useless to the rabbits, but what would be the benefit of befriending a more useful animal? Enter Kehaar.
*** Not to mention that the mouse [[spoiler:warns them of the arrival of the Efrafa rabbits]] later on.
* Sazed in ''{{Mistborn}}'' knows a lot about old religions. This may seem useless but [[spoiler: using it he is able to move the world back to its proper distance from the sun and put the continents in the right places.]]
* The god Shemhazi's motto in the ''KushielsLegacy'' series is "All knowledge is worth having." Phedre, Joscelin, and later Imriel quote it at times.
* LarryNiven [[LampshadeHanging lampshades this]] in his KnownSpace series. Two of his earlier KnownSpace stories, "Eye of the Octopus" and "How the Heroes Die" detailed the early manned exploration of Mars, and included the characters collecting seemingly trivial data about the planet that wasn't useful at the time. In the novel ''Protector'', set a hundred years later, the trivia about Mars is finally put to use. When asked how the Terrans knew such useless knowledge would one day be useful, Lucas Garner says, "No knowledge is really useless... you'll always find some use for it sooner or later."
* Most of the FightingFantasy and LoneWolf books qualify. Lone Wolf and the Fighting Fantasy series ''Literature/{{Sorcery}}'', being multi-part series rather than one-offs, are the most worrying with this - certain items might not come in handy for three books. FF at least usually has [[BagOfHolding no rules on how much you can carry]]. Lone Wolf is not so lenient.
* In ThePaleKing, it is randomly revealed that [[spoiler: Director Glendenning has a pathological hatred of mosquitoes.]] It comes back in a big way in one of the last chapters.
* Sherlock Holmes practically defines this trope, what with his knowledge of everything from cigar ash to medical school mnemonics to tattoo techniques.
* Someone quite rightly mentioned the film Slumdog Millionaire. The book on which it was based, the excellent ''QandA'' by Vikas Swarup, therefore unquestionably belongs in the literary examples of this trope.

to:

* DanBrown's ''AngelsAndDemons'' Creator/DanBrown's ''Literature/AngelsAndDemons'' (as well as ''TheDaVinciCode'') ''Literature/TheDaVinciCode'') is a particularly {{Anvilicious}} user of this trope. In a possible LampshadeHanging, A&D ''A&D'' actually contains the line "He never suspected that later that night, in a country hundreds of miles away, that information would save his life", life," regarding the fact that one square yard of drag will slow a falling body almost 20%.
* The page quote comes from either ''TheMalloreon'' ''[[Literature/{{Belgariad}} The Malloreon]]'' by David and Leigh Eddings. Sure enough, towards the end of ''TheMalloreon'' ''The Malloreon'' something Beldin said turns out to be of vital importance- importance: both the heroes and villains need to find out where to go for the final showdown from the Seers at Kell, when [[spoiler: Belgarath [[spoiler:Belgarath remembers Beldin mentioning "the Grolims are still afraid to go near Kell"- Kell" -- the villains can't go themselves.]]
**
]] Of course, this is something that Beldin and Belgarath have both known perfectly well for centuries. It's common knowledge among the world's sorcerors and, of course, the Grolims. Mentioning it early in the story for later use is an excellent example of ChekhovsGun, but this may not exactly fit the trope since it isn't ''unusual'' knowledge.
**
knowledge. The page quote ''itself'' simply refers to Silk learning that green is made from blue and yellow...yellow... which had absolutely no impact on the plot beyond explaining [[spoiler: why [[spoiler:why the Sardion was red]].
* ''WatershipDown'' ''Literature/WatershipDown'' has a couple instances of this.
** Early in the book, the rabbits discover that sitting on a floating piece of wood allows a rabbit to float. This is a difficult concept for such simple animals, and only a couple of the group can wrap their heads around it. After using this principle to help a wounded rabbit get across the brook, Blackberry comments: "I admit it was a good idea. Let's remember it. [[LampshadeHanging It might come in handy]] [[{{Foreshadowing}} again sometime]]." And of course, [[spoiler: it [[spoiler:it ''does''. When the rabbits have to make a quick getaway from an enemy patrol, their plan hinges on getting on a little punt and biting the rope. The enemy rabbits (and many of the escapees) are completely baffled by this tactic.]]
** Hazel, on an impulse, saves a mouse from a kestrel. This is seen as unusual because rabbits usually have no associations with other non-predator species. Hazel, however, sees it as an opportunity. Mice are fairly useless to the rabbits, but what would be the benefit of befriending a more useful animal? Enter Kehaar.
***
Kehaar. Not to mention that the mouse [[spoiler:warns them of the arrival of the Efrafa rabbits]] later on.
* Sazed in ''{{Mistborn}}'' ''Franchise/{{Mistborn}}'' knows a lot about old religions. This may seem useless but [[spoiler: using [[spoiler:using it he is able to move the world back to its proper distance from the sun and put the continents in the right places.]]
* The god Shemhazi's motto in the ''KushielsLegacy'' ''Literature/KushielsLegacy'' series is "All knowledge is worth having." Phedre, Joscelin, and later Imriel quote it at times.
* LarryNiven Creator/LarryNiven [[LampshadeHanging lampshades this]] in his KnownSpace ''Literature/KnownSpace'' series. Two of his earlier KnownSpace ''Known Space'' stories, "Eye of the Octopus" and "How the Heroes Die" detailed detail the early manned exploration of Mars, and included include the characters collecting seemingly trivial data about the planet that wasn't isn't useful at the time. In the novel ''Protector'', set a hundred years later, the trivia about Mars is finally put to use. When asked how the Terrans knew such useless knowledge would one day be useful, Lucas Garner says, "No knowledge is really useless... you'll always find some use for it sooner or later."
* Most of the FightingFantasy and LoneWolf books qualify. Lone Wolf and the Fighting Fantasy series ''Literature/{{Sorcery}}'', being multi-part series rather than one-offs, are the most worrying with this - certain items might not come in handy for three books. FF at least usually has [[BagOfHolding no rules on how much you can carry]]. Lone Wolf is not so lenient.
* In ThePaleKing, ''Literature/ThePaleKing'', it is randomly revealed that [[spoiler: Director [[spoiler:Director Glendenning has a pathological hatred of mosquitoes.]] It comes back in a big way in one of the last chapters.
* Sherlock Holmes Literature/SherlockHolmes practically defines this trope, what with his knowledge of everything from cigar ash to medical school mnemonics to tattoo techniques.
* Someone quite rightly mentioned the film Slumdog Millionaire. The book on which it was the aforementioned ''Slumdog Millionaire'' is based, the excellent ''QandA'' ''Literature/QAndA'' by Vikas Swarup, therefore unquestionably belongs in the literary examples of this trope.



* In ''Series/BuffyTheVampireSlayer'', Xander turns into a soldier during a Halloween episode in season 2. He seems to remember this and the Scoobies use his new found combat skills whenever necessary.



** In the episode "A Night of Neglect," the random substitute teacher trivia and later academic decathlon category is "hermaphrodite Nazi sympathizers."

to:

** In the episode "A Night of Neglect," Neglect", the random substitute teacher trivia and later academic decathlon category is "hermaphrodite Nazi sympathizers."sympathizers".



* The "The $99,000 Answer" episode of ''TheHoneymooners''. Music-guru Ralph learns he is to be a contestant on a music trivia game show and Norton helps him practice for the show by playing snippets of various songs on the piano. To Ralph's ever-increasing annoyance, Norton always warms up by playing the first two lines of "Old Folks at Home" ("Way down upon the Suwanee River, far far away."). When Ralph confidently appears on the game show, the first musical clue he hears is the same two lines that Norton always warmed up with. Ralph is dumbstruck, can't come up with the answer, and is eliminated from the game on the very first question. For the record, [[CrowningMomentOfFunny he guessed that Norton composed it.]]

to:

* The "The $99,000 Answer" episode of ''TheHoneymooners''.''Series/TheHoneymooners''. Music-guru Ralph learns he is to be a contestant on a music trivia game show and Norton helps him practice for the show by playing snippets of various songs on the piano. To Ralph's ever-increasing annoyance, Norton always warms up by playing the first two lines of "Old Folks at Home" ("Way down upon the Suwanee River, far far away."). When Ralph confidently appears on the game show, the first musical clue he hears is the same two lines that Norton always warmed up with. Ralph is dumbstruck, can't come up with the answer, and is eliminated from the game on the very first question. For the record, [[CrowningMomentOfFunny he guessed that Norton composed it.]]



* All of the gnomes (an entire nation's worth) in the ''TabletopGame/{{Eberron}}'' [[TabletopGame/DungeonsAndDragons D&D]] setting collects information constantly just in case some bit of it comes in handly later.
** Also in D&D, this is exemplified by the Bardic Knowledge ability, where a Bard might have some random information based on lore he's heard in his travels.

to:

* All of the gnomes (an entire nation's worth) in the ''TabletopGame/{{Eberron}}'' [[TabletopGame/DungeonsAndDragons D&D]] setting collects information constantly just in case some bit of it comes in handly later.
''TabletopGame/DungeonsAndDragons''
** Also in D&D, In ''D&D'', this is exemplified by the Bardic Knowledge ability, where a Bard might have some random information based on lore he's heard in his travels.travels.
** All of the gnomes (an entire nation's worth) in the ''TabletopGame/{{Eberron}}'' setting collects information constantly just in case some bit of it comes in handly later.



[[folder:Videogames]]
* Done in ''BanjoKazooie''. Throughout the castle, you'll come across Gruntilda's (good) sister Brentilda, who will happily tell you all of Gruntilda's embarrassing secrets. Later on, when Grunty challenges you to a quiz style board game, these secrets become your only means to win.
** Note that it's possible to avoid answering the "Gruntilda Questions" for the most part if you make a slight detour to get a Joker (which lets you skip a Question). In fact it's possible to finish the Board without having to answer ''any'' Gruntile Question.
** Also, the answers to each question is different, and change with each play through of the game. So getting Brentilda to give you the facts becomes necessary each time you play.
* ''VideoGame/{{Portal 2}}'' (paraphrased)"Moonrocks crushed into powder and then mixed with water"..."makes a great conductor for portals" becomes extremely useful during the final boss battle, not only at the beginning but [[spoiler: at the end your character shoots a portal into the moon, thereby sucking the BBEG into space]]
* In Final Fantasy II, it turns out that your usually-silent friend and party member knows beaver language. Guess who becomes your interpreter when you run into giant beavers.

to:

[[folder:Videogames]]
[[folder:Video Games]]
* Done in ''BanjoKazooie''.''VideoGame/BanjoKazooie''. Throughout the castle, you'll come across Gruntilda's (good) sister Brentilda, who will happily tell you all of Gruntilda's embarrassing secrets. Later on, when Grunty challenges you to a quiz style board game, these secrets become your only means to win.
**
win. Note that it's possible to avoid answering the "Gruntilda Questions" for the most part if you make a slight detour to get a Joker (which lets you skip a Question). In fact it's possible to finish the Board without having to answer ''any'' Gruntile Question.
**
Question. Also, the answers to each question is different, and change with each play through of the game. So getting Brentilda to give you the facts becomes necessary each time you play.
* ''VideoGame/{{Portal 2}}'' (paraphrased)"Moonrocks 2}}'': (paraphrased) "Moonrocks crushed into powder and then mixed with water"..."makes a great conductor for portals" becomes extremely useful during the final boss battle, not only at the beginning but [[spoiler: at [[spoiler:at the end your character shoots a portal into the moon, thereby sucking the BBEG into space]]
* In Final Fantasy II, ''VideoGame/FinalFantasyII'', it turns out that your usually-silent friend and party member knows beaver language. Guess who becomes your interpreter when you run into giant beavers.



[[folder:Web Originals]]
* WhateleyUniverse:
** Phase is CrazyPrepared enough to pull this off. In the fourth Phase story, he obsesses to teammates about the New Olympians, who might just be incarnations of the real Greek Gods [[spoiler: all of them are.]] In the seventh Phase story, the team is trapped in a holographic simulation facing simulacra of... the New Olympians. Phase pulls out his knowledge of them to figure out how to beat Counterpoint and how to rescue Lancer.
** Phase learning about 'giants' (size Warpers who use a warp field to appear to grow to giant size) in class, and then using that to defeat one in Boston. He also uses the same tactic to defeat the Vindicators in the beginning of ''Ayla and the Birthday Brawl''- he takes over Sizemax's field and uses her like a meteor hammer.

to:

[[folder:Web Originals]]
Original]]
* WhateleyUniverse:
''Literature/WhateleyUniverse''
** Phase is CrazyPrepared enough to pull this off. In the fourth Phase story, he obsesses to teammates about the New Olympians, who might just be incarnations of the real Greek Gods [[spoiler: all [[spoiler:(all of them are.]] are)]]. In the seventh Phase story, the team is trapped in a holographic simulation facing simulacra of... the New Olympians. Phase pulls out his knowledge of them to figure out how to beat Counterpoint and how to rescue Lancer.
** Phase learning about 'giants' "giants" (size Warpers who use a warp field to appear to grow to giant size) in class, and then using that to defeat one in Boston. He also uses the same tactic to defeat the Vindicators in the beginning of ''Ayla and the Birthday Brawl''- Brawl'' -- he takes over Sizemax's field and uses her like a meteor hammer.



* Happens twice on ''WesternAnimation/{{Futurama}}''. In one case, Fry's knowledge of 20th-century TV is what saves the Earth from a horde of [[SeriousBusiness invading aliens]] (they wanted to see the final episode of a [[AliensStealCable TV show]] that was knocked off the air) because Fry spilled beer on the TV station's control panel while delivering a pizza in the 20th century; and in the other case, Fry's knowledge of "good old-fashioned 20th-century garbage-making skills" saves the Earth from...a gigantic ball of 20th century garbage... for now.
* Subverted in ''MegasXLR''.

to:

* Happens twice on ''WesternAnimation/{{Futurama}}''. In one case, Fry's knowledge of 20th-century TV is what saves the Earth from a horde of [[SeriousBusiness invading aliens]] (they wanted to see the final episode of a [[AliensStealCable TV show]] that was knocked off the air) because Fry spilled beer on the TV station's control panel while delivering a pizza in the 20th century; and in the other case, Fry's knowledge of "good old-fashioned 20th-century garbage-making skills" saves the Earth from... a gigantic ball of 20th century garbage... for now.
* Subverted in ''MegasXLR''.''WesternAnimation/MegasXLR''.



[Flashback to Coop not paying attention at school]\\

to:

[Flashback (''flashback to Coop not paying attention at school]\\school'')\\



[Back to the present]\\

to:

[Back (''back to the present]\\present'')\\



* In ''WesternAnimation/PinkyAndTheBrain'', Brain is on a game show, and Pinky annoys him by chatting in his ear. Pinky is about to talk about ''TheHoneymooners'' when Brain silences him. The final question, [[GoldenSnitch worth everything]], is about -- ''TheHoneymooners''. This is probably a ShoutOut to an episode of TheHoneyMooners where something similar happens.
* This trope title comes from the show ''WesternAnimation/DaveTheBarbarian'', in the episode "Termites of Endearment." Dave refuses to practice sword fighting because he's busy making decorative knick-knacks for sale, although nobody wants to buy them. His sister Fang badgers him to practice fighting, and Dave says "trust me, someday my love of decorative knick-knacks will come in handy!" (He keeps saying this throughout the episode, usually directly to the audience.)Then the MonsterOfTheWeek attacks, defeats everyone easily, and is about to kill them all -- when it notices one of Dave's things and says, "did I ever tell you how much I love decorative knick-knacks?" Cut to Dave selling thousands of knick-knacks to the monster. Fang looks at him and says, deadpan, "I so hate you right now."
** And his Amazing Penmanship

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* In ''WesternAnimation/PinkyAndTheBrain'', Brain is on a game show, and Pinky annoys him by chatting in his ear. Pinky is about to talk about ''TheHoneymooners'' ''Series/TheHoneymooners'' when Brain silences him. The final question, [[GoldenSnitch worth everything]], is about -- ''TheHoneymooners''. ''The Honeymooners''. This is probably a ShoutOut to an episode of TheHoneyMooners ''The HoneyMooners'' where something similar happens.
* ''WesternAnimation/DaveTheBarbarian''
**
This trope title comes from the show ''WesternAnimation/DaveTheBarbarian'', in the episode "Termites of Endearment." Endearment". Dave refuses to practice sword fighting because he's busy making decorative knick-knacks for sale, although nobody wants to buy them. His sister Fang badgers him to practice fighting, and Dave says "trust me, someday my love of decorative knick-knacks will come in handy!" (He He keeps saying this throughout the episode, usually directly to the audience.)Then audience. Then the MonsterOfTheWeek attacks, defeats everyone easily, and is about to kill them all -- when it notices one of Dave's things and says, "did I ever tell you how much I love decorative knick-knacks?" Cut to Dave selling thousands of knick-knacks to the monster. Fang looks at him and says, deadpan, "I so hate you right now."
** And his Amazing Penmanship
"



** And his Amazing Penmanship.



** So the episode is a inversion of TVTropesWillRuinYourLife?
* Subverted in ''RockyAndBullwinkle''- in the episode "Banana Formula", Bullwinkle eats a banana on which a secret formula for a powerful explosive was written (don't ask), but thanks to his ability to remember everything he ever ate, he remembers the formula, which is a big help for the bad guys.
* The ''KimPossible'' episode 'Dimension Twist': Ron's family has just got cable TV and Ron has been glued to it for so long he's memorized the channels. Not something you'd need, right? Wrong. TrappedInTVLand with the hole that dropped him there threatening to undo all of reality, he knew what to switch to plug up the tear in the space/time continuum with a horde of monkeys.

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** So the episode is a inversion of TVTropesWillRuinYourLife?
* Subverted in ''RockyAndBullwinkle''- ''WesternAnimation/RockyAndBullwinkle'': in the episode "Banana Formula", Bullwinkle eats a banana on which a secret formula for a powerful explosive was written (don't ask), but thanks to his ability to remember everything he ever ate, he remembers the formula, which is a big help for the bad guys.
* The ''KimPossible'' ''WesternAnimation/KimPossible'' episode 'Dimension Twist': "Dimension Twist": Ron's family has just got cable TV and Ron has been glued to it for so long he's memorized the channels. Not something you'd need, right? Wrong. TrappedInTVLand with the hole that dropped him there threatening to undo all of reality, he knew what to switch to plug up the tear in the space/time continuum with a horde of monkeys.



** His father, as he gives Darkwing his Omniblaster gas gun (just before his space pod takes off [[{{Superman}} from their exploding home planet]])
** His [[IKnowKarate Quack Fu]] master, upon completing his training
** The genie he meets while travelling though the desert, who gives him his costume and his signature smoke-intro
* There's a Charlie Brown cartoon in which he becomes a spelling bee whiz due to only getting words like "failure".

to:

** His father, as he gives Darkwing his Omniblaster gas gun (just before his space pod takes off [[{{Superman}} [[Franchise/{{Superman}} from their exploding home planet]])
planet]]).
** His [[IKnowKarate Quack Fu]] master, upon completing his training
training.
** The genie he meets while travelling though the desert, who gives him his costume and his signature smoke-intro
smoke-intro.
* There's a Charlie Brown ''ComicStrip/{{Peanuts}}'' animated cartoon in which he Charlie Brown becomes a spelling bee whiz due to only getting words like "failure".



* ''Who Wants to be a Millionaire?'' Since there was no hard time limit until recently, the contestant was always sure to regale the viewers at home with their life story every time they encountered a [[WarmupBoss $200 question]] that somehow related to it. The first contestant to win the full million (with no lifelines!) was asked which of the options was not a federal holiday. He informed the audience that he was a federal employee and [=BSed=] about it for a while before answering the question.
* ''[[http://en.wikipedia.org/wiki/Academic_Bowl Quizbowl]]''. Being a repository of completely random knowledge is an immense asset.
** Subverted by the canon ( http://www.qbwiki.com/wiki/Canon ), thanks to which experienced players can predict fairly accurately what topics will come up and study accordingly. Probably most of the points good players accumulate are the result of targeted accumulation.
* {{QI}}.
* {{Jeopardy}} and trivia shows in general. Just look at Ken Jennings, the man with the longest ever run on Jeopardy.

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* ''Who Wants to be a Millionaire?'' ''Series/WhoWantsToBeAMillionaire'' Since there was no hard time limit until recently, the contestant was always sure to regale the viewers at home with their life story every time they encountered a [[WarmupBoss $200 question]] that somehow related to it. The first contestant to win the full million (with no lifelines!) was asked which of the options was not a federal holiday. He informed the audience that he was a federal employee and [=BSed=] about it for a while before answering the question.
* ''[[http://en.wikipedia.org/wiki/Academic_Bowl Quizbowl]]''. Being a repository of completely random knowledge is an immense asset.
**
asset. Subverted by the canon ( http://www.[[http://www.qbwiki.com/wiki/Canon ), Canon]], thanks to which experienced players can predict fairly accurately what topics will come up and study accordingly. Probably most of the points good players accumulate are the result of targeted accumulation.
* {{QI}}.
''Series/{{QI}}''
* {{Jeopardy}} ''Series/{{Jeopardy}}'' and trivia shows in general. Just look at Ken Jennings, the man with the longest ever run on Jeopardy.''Jeopardy''.



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* The god Shemhazi's motto in the ''KushielsLegacy'' series is "All knowledge is worth having." Phedre, Joscelin, and later Imriel quote it at times.
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* A short ''{{Batman}}: Black And White'' story by WarrenEllis and JimLee features Batman hunting down a murderous senator and fighting his way through his goons. Each skill that Batman uses is followed immediately by a one or two panel flashback showing how he learned it. These include [[CrazyPrepared building a remote control, knowing the smell of every aftershave ever, knowing the exact hole size and shape different caliber bullets make in different body parts, kicking a tree in half and identifying how recently someone had a manicure from the nail impressions left in skin.]]

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* A short ''{{Batman}}: ''Franchise/{{Batman}}: Black And White'' story by WarrenEllis and JimLee features Batman hunting down a murderous senator and fighting his way through his goons. Each skill that Batman uses is followed immediately by a one or two panel flashback showing how he learned it. These include [[CrazyPrepared building a remote control, knowing the smell of every aftershave ever, knowing the exact hole size and shape different caliber bullets make in different body parts, kicking a tree in half and identifying how recently someone had a manicure from the nail impressions left in skin.]]



** The sequel does something similar as well. When Wayne and Garth arrive outside of a studio, a number of men are doing things such as moving a window back and forth across the street, stacking fruit, and so on. When asked why, the workers reply that it's just their job. Of course, later on Wayne crashes through them all in his car in a stereotypical "action sequence", causing the workers to state in satisfied fashion that their job is done. Of course, the "handiness" of this is almost entirely under the RuleofCool.

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** The sequel does something similar as well. When Wayne and Garth arrive outside of a studio, a number of men are doing things such as moving a window back and forth across the street, stacking fruit, and so on. When asked why, the workers reply that it's just their job. Of course, later Later on Wayne crashes through them all in his car in a stereotypical "action sequence", causing the workers to state in satisfied fashion that their job is done. Of course, the "handiness" of this is almost entirely under the RuleofCool.



* {{QI}}. 'nuff said.

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* {{QI}}. 'nuff said.

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