Why do certain products and ideas go viral? Dynamic young Wharton professor Jonah Berger draws on his research to explain the six steps that make products or ideas contagious.Why do some products get more word of mouth than others? Wh...

The New York Times bestselling author of Contagious explores the subtle, secret influences that affect the decisions we make—from what we buy, to the careers we choose, to what we eat—in this fascinating and groundbreaking work.If...