that was cooked up in advance. it's an -- it looks like one in retrospect. but it was. nobody knew the consequences of regulation that was passed. basically in 2007. it isn't just high frequency traders. basically 2007. it isn't high frequency traders. they don't have to deal in this in any way. they are taking advantage of a system that's broken. >> what do you think of the characters you met. you spent some time on wall street, you met people. a lot of the people seem like they are really kind of sign advertises of a kind. they are mathematicians, engineers. >> this is what's happening on wall street, every market. the stock market in a way has gotten there first. technology is supplanting traders. technologists and traders are merging. there used to be in the days i worked tlsh the people who handled the computers were i.t. geeks in the basement and their