Timothy Ferriss, called "The Superman of Silicon Valley" by Wired magazine and nominated by Fast Company as one of the "Most Innovative Business People of 2007," is the author of "The 4-Hour Body" and the #1 New York Times, Wall Street Journal, and BusinessWeek best seller "The 4-Hour Workweek," which has been sold in 35 languages. He is a guest lecturer at Princeton University and faculty at Singularity University at NASA Ames Research Center. His blog is one of the most popular in the world (according to Alexa, Technorati): http://www.fourhourblog.com.