Jonah Berger, author of Contagious: Why Things Catch On, talked to Brian and Dr. Ablow about the logic behind his new, fascinating book that answers the question, "Why do people share some things and not others?" Berger explained that what we talk about affects what we buy. One of his favorite real-life examples surrounds the $100 cheesesteak that you can buy in Philadelphia. "The first time you hear about that, that's remarkable. You just have to talk about it and share it with someone else," Berger said.
Berger also explained the six 6 principles in the book: Social currency, triggers, emotion, practical value, public and stories