in the silicon valley, this was their customers, and contributors. saying they're going to fame. >> that's how they approach it. then they're going to make themselves superfluous, and if you anticipate that, if you precede in business on the assumption that your job is to make your own customers superfluous, you're going to run out of things to do if that's your business model, aren't you? >> i don't -- i mean, i'm even in control enough not to believe, that they continue to advance at a tremendous pace, but i don't think it's advancing any more rapidly than it did at the time of the industrial revolution. >> mm-hmm. >> and i think that the economist william moorhouse has looked at this, and looked at the invention creation of life, is amount of lumens you need to light a room at night, and it shows that the advance in lighting has been 100,000 times more rapid than it was measured in the economic model. essentially economists were writing about mills, and -- >> william blake. >> yeah. they were writing, and emmitt james, writing, and the incredible