Collaboration / Tim Ferriss has scuba diving on the brain. The author, entrepreneur and self-proclaimed "human guinea pig" recently posted to his LinkedIn and Facebook asking his followers for recommendations on “must dive experiences.” No big deal; Ferriss is perhaps one of the world’s most recognized learners, explorers and lovers of new ideas. Nor was it surprising that Ferriss’ posts received thousands of responses with dive spots all over the world. - 6 years ago