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Via Google Operating System, even if you can't dance, you too can do the Harlem Shake. How, just search it on YouTube.
Do a search on YouTube for [do the harlem shake] and the how page will geek out into the Harlem Shake.
Similar to Google's do a barrel roll or tilt, conways game of life, qingming festival, and zerg rush - this YouTube easter egg goes all out.
Here is a video of it in action:
Nice moves YouTube!
Forum discussion at Google+ & YouTube Help.
