in the economy overall, automation or mechanization or rob botticiewtion creates tasks and people are flexible and able to take on those tesk tasks. increasingly we are understanding how to use ai and eachine learning and artificial intelligence to m robots more collaborative and better able to work alongsidethpeople. 's a huge new frontier. >> david, jeff bezos loves art officials intelligence. he employs it with his ech device. but elon musk fears artificial intelligence where do you stand? >> i think, you know, artificial intelligence is displaying a lot of promise. it's still heavily dependent on data. it'sen dnt on human labor to tune it and fine-tune it for particular purposes. tasks ry good at focused that we understand pretty well. it's not there yet where it's abo do something entirely new and explain to you why it did it. >> mark, can i turn to you on the whole focus and it dove tails what bill was just talking about, the divide abo or not artificial intelligence and robotics are goingo be net/net good or bad. but the one thing people seem to really focus on is the need for