Instead of a sophisticated prank like Google’s, youtube.com had all of their videos on their home page commit a Rickroll. In related news, here’s Rick’s thoughts on the phenomenon:
If this had happened around some kind of rock song, with a lyric that really meant something — a Bruce Springsteen, “God bless America” … or an anti-something kind of song, I could kind of understand that,” Astley said. “But for something as, and I don’t mean to belittle it, because I still think it’s a great pop song, but it’s a pop song; do you know what I mean? It doesn’t have any kind of weight behind it, as such. But maybe that’s the irony of it.
Also, check out these fine ThinkGeek April Fool’s items:
Defendius Labyrinth Security Lock
Betamax to HD-DVD Converter