Contagious: Why Things Catch On

By Jonah Berger

What makes an idea contagious? There are six underlying principles also known as “STEPPS”:

• Social currency

• Triggers

• Emotion

• Public

• Practical value

• Stories

These six factors already exist within your product idea, you just have to find and leverage them. Get people talking about you by giving them things to talk about.

• Contagious

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