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* Cigarette ads on television were banned in the UK in 1965[[note]]Loose tobacco and cigars, however, were permitted to be advertised until 1991. Cinema ads continued up until 1999, while radio ads were permitted until 2003.[[/note]], and in the US in 1970. Nowadays, they're looked back on as a symbol of how naive people were at the time about [[SmokingIsNotCool the dangers of tobacco use]], and as symbols of '50s and '60s kitsch. The knowledge that [[http://www.snopes.com/radiotv/tv/marlboro.asp at least four of the men]] who played the Marlboro Man in advertisements later [[DeathByIrony died of lung cancer]] wound up making Marlboro's ads in particular HarsherInHindsight, especially knowing the lengths to which tobacco companies went to deny or downplay the health risks of smoking.
* Erin Esurance was a highly popular mascot for Esurance during the latter half of the 2000s. A [[YouGottaHaveBlueHair pink-haired]], SpyCatsuit-clad ActionGirl inspired by shows like ''Series/{{Alias}}'' and ''WesternAnimation/KimPossible'', she was a hit among young men and women and ''greatly'' boosted Esurance's brand appeal, both intentionally and with unexpected surges of [[RuleThirtyFour pornographic fan art]] involving her. In fact, there was ''so much'' porn of the character -- some of which popped up when people merely searched for Esurance on a search engine -- that Esurance had no choice but to [[http://www.cbsnews.com/news/esurance-axes-erin-after-the-secret-agent-took-on-an-x-rated-life-of-her-own ax the character]] in 2010 and scrub all references to her from their website. Then everyone started questioning why you need some kind of spy, even [[SexSells a sexy one]], to sell ''auto insurance'', and all but dismissed her. By TheNewTens, she was actually [[http://www.cbsnews.com/news/the-erin-esurance-autopsy-she-was-less-popular-than-microsofts-clippy less popular than Microsoft's Clippy]], and is understandably Esurance's OldShame.
* In-Universe example: An ad for Pringles potato chips actually mentions this trope. When the kid asking a question about the world's largest disco ball, he gets "Dude, disco is dead." as the answer.
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