Thanks to viral videos, in 2013, we learned how to Harlem Shake, what the fox says and a whole new way to use a wrecking ball. Whether they were music videos or products of late-night TV genius, 2013 brought us some of the best YouTube videos to date. Here's a look at some of our favorites:
13Fred's tribute to Lorraine
Perhaps the most touching viral video of the year featured 96-year-old Fred singing a tribute to his wife, Lorraine, who passed away.