Jonah Berger - Contagious: Why Things Catch On

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People don't think in terms of information. They think in terms of narratives. But while people focus on the story itself, information comes along for the ride.

Jonah Berger

Research by the Keller Fay Group finds that only 7 percent of word-of-mouth happens online.

Jonah Berger

Word of mouth is the primary factor behind 20 percent to 50 percent of all purchasing decisions.

Jonah Berger