I love the personal work of Ji Lee and enjoyed his talk at the 99% conference:

Bored with his ad agency gig and the uninspiring work he was producing, Ji Lee – now Creative Director of Google Creative Lab – decided to take matters into his own hands in 2002. The result was the ad-spoofing Bubble Project, in which Lee placed blank speech bubbles on ads around New York City. The masses responded and the project went viral, gaining Lee recognition and ultimately forwarding his professional career. Here, Lee talks about how he created, financed, and marketed the project single-handedly.