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Contagious

by Jonah Berger
🎧 16 min listen Marketing & Sales

The hidden science behind why things catch on and spread like wildfire.

Key Ideas
Chapter 1 Word of mouth drives 20-50% of all purchasing decisions

Word of mouth drives 20-50% of all purchasing decisions, far outpacing advertising. Making people feel like insiders is more powerful than any discoun…

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Contagious
Some products go viral. Some ideas spread everywhere.
Others disappear without a trace. Jonah Berger spent a
decade researching why. The answer isn't luck, and it
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Contagious

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