matt cagle is a technology and civil liberties attorney for the aclu and spoke with emily chang. ple should be able to : walk down the street without being watched by the government. face surveillance technology allows the government to track where we go, what we do, whether we go to a church or an abortion clinic, and that's something that the government should be -- should not be able to do. and again, and again, when we see governments deploying this technology, they're doing it without rules to prevent abuse. emily: what about the argument that this could be a powerful tool for catching criminals or terrorists? matt: well, there are a lot of unanswered questions about whether this technology works reliably. we know that multiple studies have shown this technology is biased against people of color and women, and just this week, a prominent ceo of a facial recognition technology said the government should not be using it. this technology is not ready for prime time. so right now, it is important that there be an informed debate about this technology before we rush forward with s

brad: that was emily chang speaking with matt cagle of the aclu.s are becoming a more prevalent part of people's lives and the king of the smart speaker market is the amazon echo. according to emarketer, 47 million americans will use one once a month in 2018, putting amazon's market share at 67%. but that is expected to drop to 61% by 2020, but still almost double its biggest rival, google. and more and more of that user base is using smart speakers as a teaching tool. that is something our next guest is making happen. ian fried was the former vice president at amazon where he led the teams that worked on kindle, echo, and alexa. he is now working at bamboo learning, a company he cofounded that is teaching kids all about music using you guessed it amazon's alexa. ian: bamboo learning is a brand-new startup i cofounded. it is set up to create applications that are fun and interactive to teach kids as young as 6 all the way through teenagers and also adults different things they might like to learn casually in five minutes or less. brad: music theory