Contagious: How to Build Word of Mouth in the Digital Age (book by Jonah Berger)

"Contagious" by Jonah Berger explores why certain ideas, products, or messages spread widely online and offline. The book identifies key factors—such as emotion, social value, practical usefulness, stories, and triggers—that make content more likely to be shared. Berger emphasizes that understanding these principles helps businesses and individuals craft messages that naturally attract attention and influence others. The goal is to create content that people want to talk about and recommend, leveraging the power of word-of-mouth in the digital age to build popularity and success.