Invisible Forces Behind All of Our Decision-Making

Jonah Berger, a professor of marketing at Wharton, has spent more than 15 years investigating social influence. In his 2013 book, Contagious: Why Things Catch On, he explains how and why certain products and ideas become massively popular. In his new book, Invisible Influence: The Hidden Forces the Shape Behavior, Berger focuses on the immense…