OK, let's share some non-feeble ones from The BBC:
edited 1st Apr '14 11:45:24 AM by Achaemenid
Schild und Schwert der ParteiNation States is doing a Bitcoin exchange simulator, with people selling their own grandmothers for the precious cryptocurrency.
[I LIVE AGAIN]I can still remember one of the April Fools' Day jokes Blizzard pulled once. ^_^;;
Come on! Let's bless them all until we get fershnickered!In general
they have this, which is a revolutionary new way to browse reddit using your fucking head.
Here was the joke. The Blizzard website had a bunch of ads for a chain of casual restaurants with the theme of their three franchises: WarCraft, Starcraft, and Diablo. :)
Come on! Let's bless them all until we get fershnickered!Someone on my facebook started posting as Cracker Barrel, changing his profile photo and cover photo to go with it, and posting pseudo-ads for the restaurant chain all day, just to momentarily trick everyone on his friends list into thinking they somehow accidentally started following the actual restaurant. I found it pretty amusing.

It's April Fool's Day!
Click Me!