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"May's operating system market share data from Statcounter contains the usual mix of changes: Windows 7 holding steady, Windows Vista and XP slipping, and Windows 8 slowly growing. However, ..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://thenextweb.com/microsoft/2013/06/01/june-will-be-the-last-month-in-which-windows-vista-has-more-market-share-than-windows-8/?fromcat=all>