RJD2 – Work It Out by Joey Garfield. Found at YouTube from Rocketboom.

This is awesome! Found at YouTube from MiGustaTacoBell.

A truly extraordinary animation from Aleksandra Korejwo using coloured grains of salt (akin to sand animation). Oscillating between abstraction and representation, Korejwo conjures up imagery of astonishing fluidity and expressive beauty. Set to Johann Strauss. Found at YouTube from pentruochi via Guy Kawasaki.

I dunno, man. Some people have entirely too much time. Found at YouTube from bgirldeedee.

I expect enrollments in dance classes will explode as a result of this news. Found at YouTube from newscientistvideo.

Beat It dance mobs break out in Stockholm in honor of Micheal Jackson. Found at CollegeHumor.

Too funny, a bit bizarre but maybe a little fun, too: eXtreme Gaming. Found at BoingBoing.

I didn’t know till after I’d watched this video what it was all about but I didn’t really need to know. It stands on its own: So simple, yet so absolutely delightful: The history of and reason for the video, by the way, can be found at Where The Hell Is Matt?