sebastian you tweeted in, i welcome our new robot overlords. you'd be a trainer. >> you'll stick around for the next segment. the pictures and text that you share online with friends may seem like a private affair, but when it comes to the nsa, they're fair game to collect and store usually facial recognition software in the name of national security. up next, how the same technology is also being used by local law enforcement in catching criminals and how stores might be the next in line making your ever. is your privacy, though, worth it? >>> later, you may be able to tell what anyone around you is feeling with the click of a button. we have all the details. see you in two minutes. >> protestors are gathering... >> there's an air of tension right now... >> the crowd chanting for democracy... >> this is another significant development... >> we have an exclusive story tonight, and we go live... >>> welcome back. we're discussing the latest mind-blowing advances in artificial intelligence. facial recognition software has been around, but with rec

sebastian you tweeted in, i welcome our new robot overlords. you'd be a trainer. >> you'll stick around for the next segment. the pictures and text that you share online with friends may seem like a private affair, but when it comes to the nsa, they're fair game to collect and store usually facial recognition software in the name of national security. up next, how the same technology is also being used by local law enforcement in catching criminals and how stores might be the next in line making your ever. is your privacy, though, worth it? >>> later, you may be able to tell what anyone around you is feeling with the click of a button. we have all the details. see you in two minutes. >> writer taiye selasi shares her impactful point of view >> certain people have to explain there presence... >> when you're part of many worlds, where is home? >> in ghana, i was not going to be able to become the person i wanted to be. >> every monday, join us for exclusive... revealing... and surprising talks with the most interesting people of our time... talk t