For years, computer scientists were treating operating systems design as sort of an open-reserch issue, when the field's direction had been decided by commercial operations. Computer science has become completely cut off from reality.
David GelernterThe "paperless office" is a bad idea because paper is one of the most useful and valuable media ever invented. "On paper" is a good place for information you want to use; a bad place for information you want to store.
David Gelernter