Cover of "Contagious, Why Things Catch On" by Jonah Berger
If you're looking for your 15 minutes of fame or if you have a product that you're trying to sell, one way to help is to have a video that goes viral. But how do you predict what will work?
Why do some things get passed around and around and around? We speak to Jonah Berger, an Assistant Professor of Marketing at the University of Pennsylvania and author of the new book "Contagious, Why Things Catch On."