What makes us click on a video? Well, according to Business Insider's list of the top 50 most viral posts of 2010, we couldn't get enough of:
How Tos: how to stop crying when peeling an onion.
Keanu Reeves: practicing Tai Chi, ten best sad Keanu images.
Chat Roulette, Mel Gibson ranting, Lady Gaga and the Old Spice Manmercial:
And endless cute animals: