OK, so if we take this idea a few steps further, how far are we from seeing people - regular, average citizens - sell advertising space on across their chests? Or other body parts?

Kim Kyung-Hoon/Reuters
A model in a LED dress walks at its demonstration in Tokyo June 7, 2007. The dress, with light-emitting diode devices installed inside, was designed by Swarovski and Hussein Chalayan and will be available in Japanese market from fall and winter season in this year. This picture is taken in slow shutter.