Contagious | Jonah Berger

Published in: 2016 Amazon | Goodreads Products, ideas, and behaviours start with a small set of individuals or organizations and spread, often from person to person, almost like a virus. The six principles of contagiousness is: (1) products and ideas that contain Social Currency and are Triggered, Emotional, Public, Practically Valuable, and wrapped into Stories. SOCIAL TRANSMISSION.