In the Media

Influencers & Optimal Seeding

Change: How To Make Big Things Happen

Emergence of Categories

The Wisdom of Partisan Crowds


Communicating Climate Change

How Behavior Spreads

Creating Critical Mass

Collective Intelligence

Support or Competition?

PennSHAPE

Op-ed: Controlling Public Opinion

the-dress

Emergence of Social Norms

CNN: Similar friends may spread healthy behaviors

cnn-article-2011

Spreading Behavior Online