want to know the truth. they don't want to be pate ro niz -- patronized by a doctor who thinks he knows it all. they want to say, doctor, what are the chances? and if he hem-haws around, that's not good. they want to know the truth. >> to use the example that peter was talking about, for risk intelligence so you can do a good job before you go with x prize or whatever else, you make better decisions. >> exactly. you'll take this information and weigh it in your mind, and you'll be able to say, i've got a pretty good idea whether it's likely or not. >> then if the experiment fails, you can say, well, we did everything we could. if you want a guarantee, buy a toaster. >> the book is called "risk intelligence." the author is dylan evans, and if you want a guarantee, buy a toaster, apparently. otherwise do your risk analysis.