Kevin Roose and Brian Stelter discuss Roose's newest story, "The Making of a YouTube Radical." Roose, a tech columnist at The New York Times, says YouTube's algorithm is "designed to create personalized rabbit holes," sometimes with dangerous consequences. Roose talks about how YouTube evolved into a "behavioral modification AI wrapped in the skin of a video website." And he discusses the positive and negative "garbage fire" reactions to his investigation.To learn more about how CNN protects listener privacy, visit cnn.com/privacy Learn more about your ad choices. Visit podcastchoices.com/adchoices