The world moves fast. Your workday? Even faster. Pitching products, drafting reports,

analyzing data. Microsoft 365 copilot is your AI assistant for work, built into Word, Excel,

PowerPoint, and other Microsoft 365 apps you use, helping you quickly write, analyze, create, and summarize.

So you can cut through clutter and clear a path to your best work.

Learn more at Microsoft.com slash M365 copilot.

Think about the last thing you shared online or via email with someone else.

A funny video on TikTok, a news story you thought your friends would

enjoy, or a new phrase you've been hearing everywhere.

Chances are you didn't share it randomly.

Something about it grabbed you and made you think, I have to pass this along.

Every day we're bombarded with information, stories, ideas, and words.

But we only feel compelled to share a fraction of that. Why? Why do some things catch on traveling through networks of conversations,

texts and social media, while others disappear? And what can psychology tell us about why we share

what we do? Do we share things differently online and in person?

How are the changing social media landscape and artificial intelligence affecting how ideas spread?

Welcome to Speaking of Psychology, the flagship podcast of the American Psychological Association

that examines the links between psychological science and everyday life.

I'm Kim Mills.

My guest today is Dr. Jonah Berger, a professor at the Wharton School of the University of Pennsylvania,

and a leading researcher on word of mouth, social

influence, and how ideas spread. He's the author of four books including magic words,

What to Say to Get Your Way, and Contagious, Why Things Catch On. He's published more than 80

...