Andrew Marantz, a staff writer at the New Yorker, talks with Recode's Kara Swisher about his new book, Antisocial: Online Extremists, Techno‑Utopians, and the Hijacking of the American Conversation. He discusses the danger of designing social media platforms around emotional engagement, how people like Mike Cernovich and Milo Yiannopoulos exploited people's belief in a broad political "consensus," and technology's role in advancing hate and extremism online. Marantz also explains what he calls the culture of "big swinging brains" in Silicon Valley, and why banning people from Twitter — including President Trump — isn't a comprehensive solution. Featuring: Andrew Marantz (@andrewmarantz), staff writer at the New Yorker and author of Antisocial. Hosts: Kara Swisher (@karaswisher), Recode co-founder and editor-at-large More to explore: Subscribe for free to Pivot, Kara’s podcast with NYU Professor Scott Galloway that offer sharp, unfiltered insights into the biggest stories in tech, business, and politics. About Recode by Vox: Recode by Vox helps you understand how tech is changing the world — and changing us. Follow Us: Newsletter: Recode Daily Twitter: @Recode and @voxdotcom Learn more about your ad choices. Visit podcastchoices.com/adchoices