what will it take to basically have the next ten years of, say, solar and electric renewable energy look like the last ten years of smartphone development? >> i'd love to say that that's even possible, and -- i'd like to say it's possible, but the thing that's difficult to appreciate -- i suppose if you think about it for a moment, maybe it's not that hard, if the sheer size of the economy depends on hydrocarbons. it's truly staggering, you know, to consider. the number of factories that have to be bought to produce factories, electric cars, produce solar panels, it's enormous. you know, it's -- if you think of all the oil fields and the gas fields and the refineries and you're trying to replace that infrastructure which is trillions of dollars, so it would be difficult for us to