About the Author

Jonah Berger is a marketing professor at the Wharton School at the University of Pennsylvania and internationally bestselling author of Contagious, Invisible Influence, and The Catalyst. He's a world-renowned expert on social influence, word of mouth, and why products, ideas, and behaviors catch on and has published over 50 papers in top-tier academic journals. He has consulted for a range of Fortune 500 companies, keynoted hundreds of events, and popular accounts of his work often appear in places like The New York Times, The Wall Street Journal, and Harvard Business Review. His research has also been featured in the New York Times Magazine's "Year in Ideas."

Reviews

"Why do some ideas seemingly spread overnight, while others disappear? How can some products become ubiquitous, while others never gain traction? Jonah Berger knows the answers, and, with Contagious, now we do, too."--Charles Duhigg, author of the bestselling The Power of Habit

"Contagious contains arresting -- and counterintuitive -- facts and insights. . . . Most interesting of all are the examples Berger cites of successful and unsuccessful marketing campaigns."--Glenn C. Altschuler "The Boston Globe"

"An infectious treatise on viral marketing. . . . Berger writes in a sprightly, charming style that deftly delineates the intersection of cognitive psychology and social behavior with an eye toward helping businesspeople and others spread their messages. The result is a useful and entertaining primer that diagnoses countless baffling pop culture epidemics."-- "Publishers Weekly"

"The book is just plain interesting. Berger's cases are not only topical and relevant, but his principles seem practical and are easily understood. . . . I have a strong feeling that this book will catch on."--Ben Frederick "The Christian Science Monitor"

"Think of it as the practical companion to Malcolm Gladwell's The Tipping Point."--Tasha Eichenseher "Discover"

A provocative shift in focus from the technology of online transmission to the human element and a bold claim to explain 'how word of mouth and social influence work . . . [to] make any product or idea contagious.-- "Kirkus Reviews"

An exegesis on how ideas really 'go viral' (hint: the internet gets too much credit) by a marketing wunderkind.-- "Details"

"If you are seeking a bigger impact, especially with a smaller budget, you need this book. Contagious will show you how to make your product spread like crazy."--Chip Heath, co-author of Made to Stick and Decisive