From Olympic swimmer Michael Phelps to Martin Luther King Jr., from the CEO of Starbucks to the locker rooms of the NFL, Duhigg explores the incredible results of keystone habits, and how they can make all the difference between billions and millions, failure and success - or even life and death. The Power of Habit makes an exhilarating case: the key to almost any door in life is instilling the right habit. From exercise to weight loss, childrearing to productivity, market disruption to social revolution, and above all success, the right habits can change everything.