>> i retain more research on a more charismatic. >> something like that will happen at some point. it's optimistic, they say robots come bearing coffee and we should welcome the artificial brethren. peter welcomes that. but emerging technology specialist john hayden says we should not welcome the new robot overlords. >> humans have finite capabilities. we can only work 60 or 70 hours per week are we going to choose human workers or machines? >> that doesn't scare people the robots are better. i have a lot of other people do it could have nothing to do. >> at something that a lot of