overometimes, it spills into arrogance. i am different from how i was in my 20's. bill gates, he is very different from what he was in his 20's. everybody learns a lot in the pursuit. energyerstandable sometimes spills over to arrogance and it tends to get softer overtime. the only silicon valley company that grew from strength to strength as it swap ceo's was intel in the first 30 years. do you think twitter can become the second in history? to bring ar better founder back who feels a real sense of dedication and ownership with the company then going outside and recruiting a higher hand. jack hasn't been bashful about saying that the product of twitter needs improvement. that is where his strengths lie. consumerct is in satisfaction. >> how do you see this playing out? does this bubble burst or is there a soft landing? >> you grew up in wales and you somehow made it to silicon valley. what kind of kid were you and how did you get here? >> through no grand plan. i went to college in britain and this was the britain of the mid-1970's, not a particularly enticing pla