One particularly gifted arrival on the productivity and self-help scene authored some of the most profoundly useful advice I’d ever heard about attention management — but, then followed it up by showing how those extra cycles could be used to game the system so efficiently that you can sit in a hammock for 164 hours a week while people in India write birthday cards to your friends. That one became a runaway bestseller and, perhaps unintentionally, formed the new template for how to market productivity as an extreme lifestyle. I also have to imagine that it singlehandedly revived our nation’s sagging hammock industry