It's impossible to escape the cultural phenomenon that is the selfie. The word is now even in The Oxford Dictionary. In fact, "selfie" was their Word of the Year in 2013. We even have The Selfie Olympics, which are dedicated to generating the best photo. What’s the secret to having a selfie go viral? Location? Situation? Strangeness? Criminal activity? Whatever it may be, once the content gains momentum on the Internet, it’s out there forever in cyberspace for all to see and judge. We take a look at 20 Viral Selfies You Probably Missed.