Why do some companies become household names, while others flame out? How do certain memes go viral? And why do some social movements take off and spread, while others fizzle? Today on the show, we revisit a favorite 2021 conversation with sociologist Damon Centola, who studies social contagion and how it can be harnessed to build a better world.

Think back to the last time you tried to win an argument. What could you have done to bolster your case? Our recent episode "Less is More" has helpful strategies — you can find it here or in your podcast feed. And if you like our work, please consider supporting it. Thanks!