Video: The 4 Key Principles of The 4-Hour Body - Tim Ferriss
(http://fourhourworkweek.com/2011/05/27/the-shortcut-to-the-shortcut-the-4-key-principles-of-the-4-hour-body/) the smallest changes in behaviour that produce the biggest results 4 Principles 1) Minimum Effective Dose less that this -> not desired effects more than thiis -> side effects 2) The extremes inform the mean, not visa-versa solve extreme use cases, and the average will solve themselves 3) tracking + loss aversion > how-to tracking: is a prescription loss aversion: failure proof the change - bets - public accountability...