Call it a tale of two titans. One is Microsoft Corporation, a $23 billion company that controls much of the market for the operating systems and business applications that run on personal computers. The other is Intel Corporation, a $34 billion company that wields similar influence over the market for the microprocessors that power PCs. Together, the two companies so dominate their industry that they’re commonly referred to as, simply, Wintel. Both are obvious targets for antitrust litigation.

A version of this article appeared in the June 2001 issue of Harvard Business Review.