Every few months, a video craze comes along, and the Web goes full-on obsessed with it (guilty). Let's reminisce for a moment. Last year there was the whole Call Me Maybe trend. Then Gangnam Style took over our lives for a few months and now, the Harlem Shake is getting America dancin' in their pants.

The funny thing about this particular dance is that offices have a strange obsession with it. Bosses and employees casually flailing around have become huge video hits, and the folks over at Springpad have compiled a long list of awesome examples. From Google to College Humor, these are the 15 greatest Harlem Shake videos, offices edition.

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