Shortly after the introduction of the computer, someone said that two computers could undertake all the computing in the World. At that time the best computers were no more powerful than today's pocket calculators. The commentator assumed that computers would be used to solve a few scientific problems and little else. As the cost and size of computers has been reduced, the role of computers has increased. Is there a limit to the applications of computers? Do you anticipate any radically new applications of computers.