operating system for your pc, and we'll get a cut of every machine you sell. and in addition, he made sure that it was not an exclusive license. that he was going to be able to sell this software to ibm, but he was also going to be able to sell the same software to other people. because gates intuited that there were going to be people that would build knockoffs of ibm and the pc clones. >> it was a genius move by bill gates, who was still in his early 20s when he made this decision. and you've got these guys at ibm in blue shirts and dark ties looking at this company microsoft and saying, who cares? software, who cares about software? man, we build these big machines. >> ibm did not realize it was essentially handing all this power to this little nerd. >> if you had stayed at harvard a few more years, would this computer revolution have passed you by? >> perhaps. things move very quickly in the industry, and it was really the urgency to get out there and be the first one to put a basic on the microcomputer that caused me to drop out. >> if you don't have one, you