Tristan Harris says 'civil war for profit bus...

Tristan Harris, co-founder of the Center for Humane Technology, says social media companies are competing for a "finite supply of human attention" and becoming more aggressive to get it. Harris expands on his ideas from "The Social Dilemma" and discusses threats to democracies around the world. Plus, he argues that the United States must focus on "protecting its digital borders" with adversaries now throwing "information bombs" online.  To learn more about how CNN protects listener privacy, visit cnn.com/privacy Learn more about your ad choices. Visit podcastchoices.com/adchoices