In 2006, a teenager named "Lonelygirl15" began posting her video diary on YouTube. Her series of video blogs was the first huge breakout success on YouTube -– by her sixth video, she was getting upwards of 500,000 views. One year ago, Lonelygirl15 was outed as a phony. The big reveal made national headlines. But that wasn't the end of Lonelygirl15. Produced by Brendan Baker.