unfortunately as many of you may have guessed, ben mezrich is not here today the author

unfortunately as many of you may have guessed, ben mezrich is not here today the author of "bitcoin billionaires." i know. he got really sick this morning and just absolutely couldn't make it so we will talk a little bit about his book just for those of you who are wondering. [applause] >> we are going to leadtime at the end for audience q&a as well so please be thinking about your questions for mike. we would love to have an interactive conversation with you. let me just start, actually i'm going to start by saying a couple of words about ben's book before we dive into mike in his book. for any of you that haven't checked it out yet it's called "bitcoin billionaires" and it's the story of the winkle lost twins. [applause] you may remember them from the facebook story. they were the two brothers at harvard who actually hired mark zuckerberg to help them build out their social network platform at harvard. mark was a software developer and coder and engineer who helped them build their platform but then he actually ended up spending away from them and creating his own platform so they made a claim