A.J. Jacobs is the author of four New York Times bestselling non-fiction books. He's a contributor at Esquire magazine, the New York Times and NPR and has given four TED talks about his lifestyle experiments, including "Drop Dead Healthy" and "The Year of Living Biblically." This year, CBS aired a primetime series based on his life. One of his books -- "My Life as an Experiment" -- explores the best productivity and outsourcing hacks he's found.