people they are hiring because they are telling their robots to do and they're putting 45000 robots into their warehouses and they added 250,000 people because they said we will use those robots to do more and we will try to deliver faster and they didn't say we will just use those robots to cut cost. goes back to the central idea that we are giving our economy the wrong instructions when we say cut cost, optimize the capital, ignore people. steve: but this is the central debate in the economy which is who benefits from the big changes that are happening. we don't have time. thank you so much. we really appreciate it and everyone should get your book, brilliant book. thank you very much. coming up next, the ball is america's favorite sport but when the game ends and the lights and the stadiums go off, the swampy nature of the nfl comes out to play. we expose their secrets next.