Bill Gates admits Control-Alt-Delete was a mistake. He blames IBM for the so-called "three-fingered salute", claiming that he had favoured a single button.
David Bradley, an engineer who worked on the original IBM PC, invented the combination which was originally designed to reboot a PC. "I may have invented it, but Bill made it famous."
A power button to turn the damn thing on, and then a login button to make it useable.
Innovation would have been turning the Windows start button (which he did get on to keyboards) into the login button. REUSE!!!
and one of the very few advantages Windows still has over Mac OS X
(i wish it had an equivalent - to be able - using only keyboard and irrespective of how screw the "GUI" state is - to bring the list of running apps for "culling" puposes...