We love the bookmarklet released by Moovweb that lets you make ANY site on ze internet do the Harlem Shake! (See their blog post about this awesome valentines day present to us all)
1) Drag this link to your bookmarks bar -> Make It Shake! (Or Click it for a quick demo)
2) Click it, watch it, shake it on any site you like.
3) shake shake shake
Once again thank you to Moovweb dev team, this is so totally awesome!