the apple 1 was the computer steve wozniak designed and he worked with steve and they came and offered these of various -- at various computer club meetings. we were sort of colleagues and pitching the gospel of personal computing. we were kind of competitors. the time we worked together most intensely was after the ibm pc came out. steve had a group, a small group at apple developing the macintosh and he came to us early on and asked us if we would commit resources. we put more people on the project than apple did and did the early application software that used that mouse, graphic center face. so it was a huge win for microsoft and apple when the macintosh became so successful. david: when your mother first said, i would like to come and have dinner, you should meet him, you did not seem that interested. why was that? mr. gates: i thought it was someone who bought and sold securities, which is a very zero something. -- zero sum thing. that is not curing disease or a cool piece of software. the idea of looking at volume curves, that is why it was so shocking when i met him. ♪ ♪ david:

. >> you have these guys like steve jobs and steve wozniak and bill gates and paul allen who had beenound on the edges of what would become the personal computer industry but no one in corporate america and no one in most of the homes of america thought that the personal computer was anything that would ever have -- would ever even happen, let alone have any relevance to them. >> for all of us, the computer revolution was really exciting. it was like, wow, this is wide open. it was a group of people who want to make a change in the world. eventually, the two forces in silicon valley, the hobbyists and the buttoned-down business guys, ended up coming together when the chip makers realized that these things the hobbyists were doing could lead to this whole new kind of product called the personal computer. >> it was at a home brewed computer club where steve wozniak and steve jobs first displayed the computer they had been networking on and it caused a sensation. >> we had absolutely no idea what people were going to do with these things when we started out. matter of fact, the two peopl

a computer that steve wozniak designed and they came and offered it at various computer club meetingsand we went to lots of meetings. but we were colleagues and we were pitching the gospel of personal computing. we were kind of competitors. the time we worked together most mpc came was after the out, steve had a small group at apple that was doing the macintosh. andhe came to us early on asked us if we would commit research. but we had more projects than apple did and we did the early application software that used that mouse-graphics interface. so it was a huge win for microsoft and apple when it became successful. david: when your mother first said that i would like you to come and have dinner with me and mark arkin huckabee, you didn't and warrensted -- me buffett, you didn't seem interested? bees that is in curing the or a cool piece of software. the idea of looking at curves -- that is why it was so shocking when i met him. ♪ david: so your company grows and becomes successful. at what point to you say, i have made a fair money and i don't need to do this anymore. i want to do so