Windows 8.1 - What's New, IT Pro Features, Devices, UI | TechNet

Windows 8.1 - What's New, IT Pro Features, Devices, UI | TechNet:
"...
NFC Tap-to-pair Printing
Tap your Windows 8.1 device against an enterprise NFC-enabled printer and you’re all set to print. No more hunting on your network for the correct printer and no need to buy a special printer to take advantage of this functionality. Simply attach an NFC tag to your existing printers to enable this functionality.

Wi-Fi Direct Printing
Connect to Wi-Fi Direct printers without adding additional drivers or software on your Windows 8.1 device, forming a peer-to-peer network between your device and the printer.
..."

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Printing, among other things, is widely incompatible between mobile (and desktop/laptop) platforms.
Maybe getting more convenient for users of one platfrom/OS,
but a hassle for supporting multiple platforms...