"Contagious: Why Things Catch On" by Jonah Berger delves into the fascinating world of viral phenomena. Berger uncovers the science behind why some ideas, products, or stories spread like wildfire while others remain in obscurity. By analyzing various case studies and real-life examples, he presents a compelling framework that reveals the core principles of contagiousness.

The book explores the reasons behind why people share information and why certain content goes viral on social media, in conversations, or within communities. Berger introduces six key principles that underlie contagious ideas: social currency, triggers, emotion, public visibility, practical value, and stories. He illustrates how understanding and applying these principles can help you create and promote ideas or products that catch on in today's hyper-connected world.

"Contagious" is an eye-opening and actionable read for marketers, entrepreneurs, and anyone interested in understanding the psychology behind virality. It offers valuable insights into the art and science of making ideas contagious and provides practical strategies for making your own content, brand, or message more shareable in our digitally interconnected society.