Computer experts around the world, like Raymond Kurzweil and Hiroshi Ishiguro, strive towards the development of intelligent robots. Will man and machine merge as a single unity? Rejecting evolution's biological shackles dangles the promise of eternal life for those bold enough to seize it. But Joseph Weizenbaum, a pioneer of the computer age, counter attacks against society's limitless faith in the redemptive powers of technology.