I would venture that the majority of computers that run Windows XP are either people who don't use their computers a lot so that it wouldn't matter or companies

I would venture that the majority of computers that run Windows XP are either people who don't use their computers a lot so that it wouldn't matter or companies. Seeing as Windows XP SP 3 is still supported through 2014 [1], businesses have no real reason to upgrade since it would be an added cost. [1] http://www.microsoft.com/en-us/windows/endofsupport.aspx http://www.microsoft.com/en-us/windows/endofsupport.aspx