>> i remember one time interviewing gates and i said, microsoft owns the world right now. do you worry about that? he said, i worry about it every single night. i go to bed thinking what have i not thought about. >> now it's starting to dial. and now, i am in. >> it spans the globe like a super highway. it is called internet. the net began back in 1969. it was a tool of the pentagon. but nowadays just about anyone with a computer and a modem can join in. >> the internet was a really dorky, hard to use, and extremely nerdy thing. none of your friends would have been on this. just fellow people in tech. >> the internet really was not a huge factor in the early '90s. but netscape changed things. >> they're calling him the next bill gates. 24-year-old marc andreessen. 15 months ago, andreessen, fresh out of the university of illinois, helped start a company called netscape.