involving DOS and IBM deals were very smart moves. IBM, APPL and NSCP own missteps helped MSFT a great deal. Fortunately IBM and APPL had enough staying power and adjusted strategically to recover, NSCP was just a bit clueless as a business.
Also give credit to Bill Gates, who else had as much business drive? Many smart technologiests and managers anticipate new waves of technologies and apps but few had as much guts betting the farms on things.