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"U.S. software maker Microsoft says the next iteration of its Windows 8 software, code name Windows Blue, will arrive this year -- as just plain Windows 8.1."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.upi.com/Science_News/2013/05/14/Next-upgrade-of-Microsofts-Windows-8-OS-to-be-free-to-users/UPI-41871368574840/>