![WYPR: Midday with Dan Rodricks Podcast show](https://d3dthqtvwic6y7.cloudfront.net/podcast-covers/000/039/616/small/wypr-midday-with-dan-rodricks-podcast.gif)
Summary: A look at what makes certain ideas, videos, commercials and products quickly gain popularity in the modern age with Jonah Berger, author of "Contagious: Why Things Catch On." Berger is an assistant professor of marketing at the Wharton School at the University of Pennsylvania. (Original Air Date: April 10th)