The prank Web sites were rolled out Thursday in a collective effort to amuse, not confuse. In a way, it's the Internet's biggest holiday.
YouTube offered the curious option of watching videos in text — essentially a stream of code instead of images.
The comedy video site FunnyOrDie.com was revamped as Bieber or Die, its home page riddled with the teenybopper star Justin Bieber. Last April Fools' Day, the site was "bought" by country star Reba McEntire.
Bieber was in the joke: In a video, he claimed he purchased the site and now "anything that's not Bieber dies."
Google renamed itself Topeka, an ironic one-upmanship with the Kansas city, which renamed itself "Google, Kan." in March to help lure the company's experimental fiber-optic network.
Starbucks poked fun at itself by unveiling new "micra" and "plenta" sizes, one absurdly small, the other as big as a bucket.
A number of sites took advantage of the recent explosion of 3-D by launching their products in another dimension. Google Maps and Google Books both unveiled 3-D versions!
So many were fooled but didn't feel bad about it. After all, it was April Fool’s Day!