Technology from Neuralink, Elon Musk’s brain implant company allowed a patient to move a cursor with his brain and play videogames. WSJ reporter Rolfe Winkler joins host Zoe Thomas to explain how the implant works and the approaches of rival companies. Plus, Google has ended a plan to eliminate cookies on Chrome. We’ll tell you what comes next. Sign up for the WSJ's free Technology newsletter. Learn more about your ad choices. Visit megaphone.fm/adchoices