Knowledge@wharton

If you have watched and shared PSY’s ”Gangnam Style” video or gone into an unknown restaurant simply because it was full of people and appeared to be popular you have the basis for understanding what makes things go viral. Wharton marketing professor Jonah Berger’s new book Contagious: Why Things Catch On distills six principles that cause people to talk about and share an idea or product. (Video with transcript) See acast.com/privacy for privacy and opt-out information.