The vehicles have been under development for years, but Google-owned Waymo and Cruise, which is owned by General Motors, are now offering robot-driven cars to ferry passengers in San Francisco.
Estonia is host to one of the world's largest annual interactive cybersecurity drills. Russia is always considered the main threat, but this year, the war in Ukraine has only added to the stakes.
New rules will require social media networks in the European Union to more closely monitor hate speech and other illegal content posted on their platforms.
NPR's Mary Louise Kelly talks with Anand Giridharadas, author of the book Winners Take All: the Elite Charade of Changing the World, about Elon Musk's purchase of Twitter in the name of free speech.
Fidelity said it has signed up one employer that will add the offering to its plan later this year. The U.S. government has warned the industry to exercise extreme care when offering cryptocurrencies.