Contagious

By Jonah Berger

Categories: Business & Money

Wharton marketing professor Jonah Berger explains why some products, ideas and videos spread by word of mouth while others don't. Drawing on his research, Berger sets out six principles behind content that people share, summed up as STEPPS: social currency, triggers, emotion, public, practical value and stories. Each chapter pairs a principle with case studies from business and public life, showing how messages can be made more likely to catch on.

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