Rob Greenfield is an adventurer, environmental activist and author. He lives a happy and unconventional life without a cell phone, car and spends a maximum of $5000/year. In order to showcase the possibilities beyond money, he has traveled the world without any cash, rode his bicycle cross-country twice and does not have a single bill in his name.
Find him at www.robgreenfield.tv
His TED talk, "Be The Change in the Messed Up World"