Published On: Thu, Dec 6th, 2012

2012 top viral videos, Gangnam Style

London  — It is a guilty pleasure of anyone supposed to be working, and a time-waster that has kept millions of us up far too late at night.

Viral videos — from pop videos to advertising, parodies to accidental hits — have been entertaining, and occasionally informing, us like never before in 2012.

Here is CNN’s selection of some of the top viral videos this year.

CNN

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