An essential new edition-completely revised and updated, with four new chapters-of one of the most important books of the last two decades about how we think, work, and live, by Nobel Prize winner Richard H. Thaler and Cass R. Sunstein * More than 1.5 million copies sold * New York Times bestseller Since the original publication of Nudge more than a decade ago, the title has entered the vocabulary of businesspeople, policy makers, engaged citizens, and consumers everywhere. There are now more than 400 "nudge units" around the world, using the latest behavioral science research and sensible "choice architecture" to help us overcome the biases that lead to