Technology like the Dadss alcohol-detection system uses sensors to measure a driver’s blood alcohol level, but there are some major barriers standing in the way of widespread adoption. WSJ reporter Ryan Felton discusses the tech and what’s holding it back. Plus, WSJ reporter Katie Bindley explores why some of today’s tech founders aren’t just young—they’re in their teens. Belle Lin hosts. Sign up for the WSJ's free Technology newsletter. Learn more about your ad choices. Visit megaphone.fm/adchoices
