Summary: <p>In the book "Contagious", Wharton Professor Jonah Berger outlines the 6 STEPPS that are common threads amongst products, ideas, videos and more that go viral. This review and book will help you look at your product or service in a way that will help it spread via the most important advertising method, word of mouth. Dr. Berger has spent over 15 years studying how social influence works and how it drives products and ideas to catch on. He’s taught Wharton’s top ranked online course, published dozens of articles in top-tier academic journals, consulted for a variety of Fortune 500 companies, and popular outlets like the New York Times and Harvard Business Review often cover his work.</p>
