steven wolff from the founder and ceo of warfarin research.'s come out with a new book out this week called who wants the future not to book on welcome to techcrunch tv. seen it thanks for having me here. it's full of optimism. >> would the mean full of optimism? he said he admits the future. you are nostalgic for the future. c-span: this is another example of something that the internet to provide you with an opportunity to do. is this mix them tons of thing to put together? >> guest: why don't pay for it. techcrunch pay for it. c-span: has a work for them? >> guest: it works for me but it's a loss leader. i shouldn't admit this publicly, do you have a large audience? if i've missed something or will everyone know about it? c-span: everybody. >> guest: you do certain things and this is why this economy is so challenging and this is why people oversimplified it. i do the techcrunch interview. i did the techcrunch interview previously. allows me to meet interesting people and secondly gets my name out there. thirdly it's a great way to research