the giant of computer companies, ibm, is busy marketing its new small computer. >> it will, they say, give 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, now it becomes a safer decision. >> ibm's personal computer 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 tiny little company called microsoft. >> bill gates was that unusual combination of a tech guy who was as good as the best tech guys, but he also had a business sense, and he had 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