"The reason this case matters going forward is the competitive threat to the Windows monopoly the Internet brought in the late 90's wasn't a one-time thing."

So contracts intended to drive browsers out of the market would also insulate the Windows monopoly.

The Europeans are concerned that Microsoft may use its Windows monopoly to control important new parts of the tech world, including online music and video.

In effect, the Windows monopoly is a computer monoculture with all the same problems of other monocultures.

This would solve the core antitrust problem by breaking apart the Windows monopoly.

Ultimately, Google may have the most to fear from Microsoft, which could well use its Windows monopoly to dominate search functions.

That sure looks like an illegal effort to maintain the Windows monopoly.

Microsoft, he argues, has attempted to use its Windows monopoly to seize control of the market for browsers.

Competitors are now complaining of similar behavior by Microsoft to use its Windows monopoly to immunize its newer products from real competition.

The Government has charged that the company used its Windows monopoly to stifle competition from the rise of Internet software.