at netscape, a fast-growing software company that struck gold with its web browser, but microsoft began giving away its own browser and required computer manufacturers to offer it with windows. >> what they're able to do is they're able to illegally, we believe, use that monopoly power to block the competition. they're able to pay people to not use our software and do other things that monopolists are legally not allowed to do. >> a lot of people were saying the antitrust laws are outmoded. technology will enforce competition on its own. the counterargument is that when you begin to get lots of people to use your operating system, it becomes harder and harder for somebody else to break into that industry. >> microsoft chairman bill gates goes before congress for the first time today. gates is expected to face tough questions from the senate judiciary committee. >> i want to, if you don't mind, ask the audience one question and get a quick poll. how many of you use intel-based pcs in this audience? raise your hands. of that group who use pcs, how