The biggest danger to Windows 7 and Windows Vista isn't Mac OS X or Linux --- it's Windows XP, whose windows XP the aging operating system. But it looks as if XP may finally be on the way out, which is good news for Microsoft.
Computeworld reports that according to the Web measurement company Net Applications:
Windows XP's share of the OS usage market fell 1.1 percentage points during August, tying its November 2008 record drop.