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More than that, actually. While the proprietary Microsoft Tag will continue to exist, our favorite Redmond behemoth has walked back their belief that the closed-system, not-free, Microsoft-created, MS-server-reliant
Because 2012 Windows phones include NFC capability, their MS Tag now includes support for (free, open-source, non-proprietary) QR codes and the sweet future-tech du jour of NFC (near field communication).
From the horse's mouth.