How Smart TVs in Millions of U.S. Homes Track More Than What's on Tonight

David Kitchen, an engineer alarmed by Samba TV software offered on a number of televisions, in London, May 23, 2018. Samba is paid by advertisers to direct ads to other gadgets in a home based on what you're watching. "You appear to opt into a discovery-recommendation service, but what you're really opting into is pervasive monitoring on your TV," Kitchen said. (Tom Jamieson/The New York Times)