to a musician, listening to a band or or kes stra, you could get a recording of the muse you can amusic and play it in your own home. so suddenly you don t want to listen to the 12th best opera singer in the world. you could buy a gramophone with the recording of the very best. suddenly all rewards flow to them and people at the very top. despite the fact their skills hadn t changed and moral worth hadn t changed but their economic gains had changed and of course you can see obviously why that holds out lessons for us today, because silicon valley, for example, many silicon valley firms and uber and google, so many have managed to scoop up what was localized value and concentrate it in the hands of a few people. you also talk about the incredible importance of something people may not recognize which this one really strikes me crucial. the elevator. we take it for granted. we have absolutely take it for