2010 may be done, but it's certainly not too late to take one final look back at the year that was online. The Internet has a sense of humor, and these hilarious photos, videos and manipulations combine to create one epic collection of viral content. These are the top-performing, most-shared viral posts of the year, per viral-tracking website BuzzFeed.
From surprise kitten attack to face swaps and international fast food, we present the top viral content of 2010, according to BuzzFeed. Tell us which of these memes are your favorites and which ones you're shocked didn't crack the list.