credibility to home computers. they'll no longer be just another new gadget. >> ibm has set an objective to build the office of the future. >> before ibm came in, companies would not think about buying personal computers, but suddenly, when ibm's selling one it becomes a safer decision. >> it is designed for office, school or home use, aimed at exactly the same market as its competitors. >> when ibm started developing the ibm pc, it needed an operating system. and this young guy named bill gates had started this little company called microsoft. >> bill gates was that unusual combination of a tech guy who was as good as the best tech guys but had a business sense, and a business vision. >> at the time, everyone was making it up as they went along. there was nothing that came before it. there was no personal computer industry. so when gates said to ibm, how about this? we'll write you're operating system for your pc, and we'll get a cut of every machine you