We wanted to bring you this episode from our new series, Black Box. In it, Michael Safi explores seven stories and the thread that ties them together: artificial intelligence. In this prologue, Hannah (not her real name) has met Noah and he has changed her life for the better. So why does she have concerns about him? If you like what you hear, make sure to search and subscribe to Black Box, with new episodes every Monday and Thursday.. Help support our independent journalism at theguardian.com/sciencepod