Reply to post: I'm sure it doesn't account for it all but...

Good luck displacing Windows 7, Microsoft, it's still growing

Cronus
Holmes

I'm sure it doesn't account for it all but...

It strikes me that the market share in XP can fall as a percentage without falling as an absolute number simply by an increase in the number of non-XP systems. Some back-of-the-napkin math:

To start you have:

10 XP,10 W7, 10 W8

That's 33% market share for XP.

Then increase the others:

10 XP, 20 W7, 20 W8

XP now only has 20% market share but nobody that was using XP has actually stopped using XP.

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