Never miss a talk! SUBSCRIBE to the TEDx channel: http://bit.ly/1FAg8hB Josh Kaufman is the author of the #1 international bestseller, 'The Personal MBA: Master the Art of Business', as well as the upcoming book 'The First 20 Hours: Mastering the Toughest Part of Learning Anything.' Josh specializes in teaching people from all walks of life how to master practical knowledge and skills. In his tal