Contagious: Why Things Catch On

Source: USA Today March 3, 2013 Jonah Berger, assistant professor of marketing at Wharton, recently published a book about why certain stories get shared, e-mails get forwarded, or videos go viral. In an interview with USA Today, Jonah describes that his book, Contagious: Why Things Catch On, is all about is how word of mouth and social influence more generally drive people to talk about and share things and drive those things to become popular.