His head, chest and hands strapped with body cameras, David Park deftly folded a banquet napkin the way he has thousands of times during his nine years at the five-star Lotte Hotel Seoul. Each of his motions is fed into a database that will one day teach a robot to do the same.His head, chest and hands strapped with body cameras, David Park deftly folded a banquet napkin the way he has thousands of times during his nine years at the five-star Lotte Hotel Seoul. Each of his motions is fed into a database that will one day teach a robot to do the same.Machine learning & AI[#item_full_content]