Contagious: Why things catch on by Jonah Berger

Contagious: Why things catch on is a compelling guide to understanding why certain ideas, products, and behaviors go viral.

Berger presents six key principles—social currency, triggers, emotion, public, practical value, and stories—that drive word-of-mouth and social sharing.

Backed by research and real-world examples, the book offers actionable insights into crafting messages and products that capture attention and spread naturally.

Perfect for marketers, entrepreneurs, and anyone looking to make their ideas stick.