<p>The foundational and wildly popular go-to resource for influence and persuasion--a renowned international bestseller, with over 5 million copies sold--now revised adding: new research, new insights, new examples, and online applications.</p> <p>In the new edition of this highly acclaimed bestseller, Robert Cialdini--New York Times bestselling author of Pre-Suasion and the seminal expert in the fields of influence and persuasion--explains the psychology of why people say yes and how to apply t...