he is currently the co-founder and executive director of hunch analyti analytics, a technology firm.nd erik brynjolfsonn has been introduced from the technology school. and i'm going to pose an opening question to each of our panelists an move into a moderated free flowing decision and leave the final ten minutes for audience q&a. we will be collecting your questions on note cards which then will be brought up to the panel. okay, so david i'm going to open it up for a question with you. so you have written extensively by the nuanced relationship between technology and computers and workers and particularly noting that there are certain things that computers can do that substitute for tasks historically or traditional by performed by humans and other things that computers do that complement tasks performed by humans. so in light of your research and the framework that erik and andy have laid out for us, how do you see this shaking out for workers? >> that is a great question. i'm honored to be part of the discussion. i really like the work -- the book they've written and i think -- i'