Is XP finally dying or is it the PCs it's been running on?

Is XP finally dying or is it the PCs it's been running on? | ZDNet: "At long, long last, Windows XP is no longer the number one, end-user operating system. It only took, Microsoft, what? Not quite two years to get desktop users off XP to Windows 7? Well, you could look at it that way, but you’d be wrong."