Contagious, Why things catch on

What makes things popular? If you said advertising, think again. People don’t listen to advertisements, they listen to their peers. But why do people talk about certain products and ideas more than others? Why are some stories and rumors more infectious? And what makes online content go viral? Wharton marketing professor Jonah Berger has spent the last decade answering these questions. Discover how six basic principles drive all sorts of things to become contagious. Contagious provides specific, actionable techniques for helping information spread—for designing messages, advertisements, and content that people will share.