
Contagious: Why Things Catch On

SOCIAL TRANSMISSION
Jonah Berger • Contagious: Why Things Catch On
HIGHLIGHTING INCREDIBLE VALUE
Jonah Berger • Contagious: Why Things Catch On
EXERCISE MAKES PEOPLE SHARE
Jonah Berger • Contagious: Why Things Catch On
We need to leverage game mechanics to give people ways to achieve and provide visible symbols of status that they can show to others.
Jonah Berger • Contagious: Why Things Catch On
It’s more than just vanity; we’re actually wired to find it pleasurable. Harvard neuroscientists Jason Mitchell and Diana Tamir found that disclosing information about the self is intrinsically rewarding.
Jonah Berger • Contagious: Why Things Catch On
One way to generate surprise is by breaking a pattern people have come to expect.
Jonah Berger • Contagious: Why Things Catch On
People don’t just care about how they are doing, they care about their performance in relation to others.
Jonah Berger • Contagious: Why Things Catch On
Give people a way to make themselves look good while promoting their products and ideas along the way. There are three ways to do that: (1) find inner remarkability; (2) leverage game mechanics; and (3) make people feel like insiders.
Jonah Berger • Contagious: Why Things Catch On
Sights, smells, and sounds can trigger related thoughts and ideas, making them more top of mind.