In 2002, Seth Godin asked a simple question that turned the business world upside down: What do Starbucks and JetBlue and Apple and Dutch Boy and Hard Candy have that other companies don't? How did they confound critics and achieve spectacular growth, leaving behind formerly tried-and-true brands? Godin showed that the traditional Ps that marketers had used for decades to get their products noticed-pricing, promotion, publicity, packaging, etc.-weren't...