Tech changes jobs. Already now, US creates 24.5M a year, destroys 21M. 5M trucker jobs not problem. https://t.co/maGSwv35Ro via @stanfordbiz

Tech changes jobs. Already now, US creates 24.5M a year, destroys 21M. 5M trucker jobs not problem. https://t.co/maGSwv35Ro via @stanfordbiz