NYT-bestselling author Jonah Berger joins the Cloudcast to talk about his latest book, Invisible Influence: The Hidden Forces that Shape Behavior. Like it or not, all of us are influenced by the words and actions of others — and that’s especially true for what we buy. Jonah explains the psychology behind this truth and shares how marketers can harness the power of social influence to reach a broader audience. Get ready to take notes on the most effective word-of-mouth marketing tactics, according to an influence expert and marketing professor at the Wharton School at the University of Pennsylvania.