Contagious

Contagious is a powerful exploration of why certain ideas, products, and messages catch on while others fade away. Marketing professor Jonah Berger dives deep into the psychology of social sharing, revealing why word-of-mouth is far more influential than advertising—and how you can harness its power.

In Contagious, Berger outlines six key principles that make content go viral—whether it’s a YouTube video, a product, a policy, or even a workplace rumor. Through engaging stories and surprising case studies (like a luxury steakhouse made famous by a cheesesteak or a viral video about a blender), he shows how anything can become Contagious if presented the right way.

Packed with proven strategies and real-world insights, Contagious is essential for marketers, business owners, creators, or anyone looking to spread an idea and make a lasting impact.

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