Bonus: Kara and Kevin Roose Debrief on Chris Best

Kara’s conversation on Monday with Chris Best, the chief executive of Substack, hit on echo chambers, extremism and the future of journalism. Afterward, she called up the Times tech columnist Kevin Roose to discuss. You can find transcripts (posted midday) and more information for all episodes at nytimes.com/sway, and you can find Kara on Twitter @karaswisher.

Om Podcasten

“Hard Fork” is a show about the future that’s already here. Each week, journalists Kevin Roose and Casey Newton explore and make sense of the latest in the rapidly changing world of tech. Unlock full access to New York Times podcasts and explore everything from politics to pop culture. Subscribe today at nytimes.com/podcasts or on Apple Podcasts and Spotify. Listen to this podcast in New York Times Audio, our new iOS app for news subscribers. Download now at nytimes.com/audioapp