At once time, Microsoft could accurately boast of owning 95% of the personal computer desktops in the world. Clearly they would have preferred 100%, but nothing would stop Apple from working hard to make its presence felt.
As Apple continues to grow faster than most skeptical analysts expect, the dominance of Windows has begun to erode, [...]

It’s not easy for a company that’s number one in its market to admit that its efforts to spread its dominance to other product segments have not succeeded.
Whenever Microsoft is mentioned, the fact that they own over 90% of the personal computer desktops on the planet often accompanies the reference. That and consistent high profits [...]