Including apple, and major venture firms. They spent six years during research with many of the Unsung Heroes of this era were behind the landmark developments. They have literally change the world. Just for you tonight. Cindy could sing. Bob swanson and bob taylor. Al, mike and sandy would you please stand. [applause]. The stories of those remarkable people and others is leslie berlin. The project historian for the Silicon Valley archives she has been a fellow at the center for advanced studies and behavioral scientists i would like to share five numbers. So, 35 square miles were the ones that change the world. Fourteen wild years. Two books published seven upstarts. Please join me in giving me a very warm welcome to leslie berlin. Great to have you. Leslie, really delighted to have you here. And enjoyed reading the troublemakers you had been a chronicle of the history for two decades you cant really understand what goes on unless you understand what came for. It is hard to out speak