Damon Centola, PhD, professor of communication, sociology and engineering and director of the Network Dynamics Group at Annenberg School for Communication at University of Pennsylvania, Philadelphia. His work focuses on social networks, behavior change and political polarization. He is author of Change: How to Make Big Things Happen and How Behavior Spreads. DamonCentola.com
Social media helps us stay in touch with family and friends and keep up with world and local news. But it also limits our ability to research and make good decisions.
