2011 Apr 3, 11:32
Hulu's would-be homepage from 1996 April 1st. Includes X-Files slow loading 256 color gifs!
2008 Apr 1, 1:50
New customtime feature of gmail allows you to change the mail timestamp: "Is there a limit to how far back I can send email? Yes. You'll only be able to send email back until April 1, 2004, the day
we launched Gmail."