--Split Microsoft into several companies, along product lines
As the Microsoft defense sputters, many expect it to lose its court fight. Attention is turning to steps that Judge Thomas P. Jackson might take to promote more competition. Under one option, you'd get your operating system from one successor to Microsoft, your Internet browser from a second company, and word processors and computer games from a third.
--Split it vertically into identical rival businesses
This would create two or three "Baby Bills," similar to the Baby Bells spawned by the court-ordered breakup of AT&T. Each of these mini-Microsofts would be nearly...