Problem
Large changes often seem unpredictable.
Action
Identify the specific factors that can cause an idea or behavior to spread quickly.
Outcome
You can create a greater impact with focused effort.
Chapter: The Three Rules of Epidemics
Problem
Ideas spread slowly without influential messengers.
Action
Engage people who connect networks, share trusted knowledge, or persuade others.
Outcome
Your message reaches more people.
Chapter: The Law of the Few: Connectors, Mavens, and Salesmen
Problem
People forget information that does not capture attention.
Action
Refine the message until it is simple, memorable, and easy to share.
Outcome
More people retain and spread the message.
Chapter: The Stickiness Factor: Sesame Street, Blue’s Clues, and the Educational Virus
Problem
Behavior is strongly influenced by immediate surroundings.
Action
Improve small environmental cues that shape everyday actions.
Outcome
Positive behavior becomes more common.
Chapter: The Power of Context (Part One): Bernie Goetz and the Rise and Fall of New York City Crime
Problem
Trust weakens when groups become too large.
Action
Organize people into communities where members can know one another personally.
Outcome
Cooperation and trust strengthen.
Chapter: The Power of Context (Part Two): The Magic Number One Hundred and Fifty
Problem
People resist messages that feel unfamiliar.
Action
Present ideas using language and examples that align with the audience’s culture and experience.
Outcome
People are more likely to accept and share the idea.
Chapter: Case Study: Rumors, Sneakers, and the Power of Translation
Problem
Harmful behaviors can spread through imitation.
Action
Identify and remove the social triggers that encourage people to copy the behavior.
Outcome
The behavior spreads less often.
Chapter: Case Study: Suicide, Smoking, and the Search for the Unsticky Cigarette
Problem
It is difficult to know which changes will create widespread effects.
Action
Run small experiments and invest in the approaches that show clear results.
Outcome
You increase the likelihood of reaching a tipping point.
Chapter: Conclusion: Focus, Test, and Believe