Windows 8.1 does a lot more than bring back the Start button. These 10 features may give it a much-needed popularity boost with enterprise users.
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Here's another wireless technology with a strong consumer slant. Miracast lets you stream video via Wi-Fi Direct from one device to another (e.g., from smartphone to HDTV). It means fewer wires and (theoretically) fewer hassles, and promises usability advantages over those messy HDMI and DisplayPort cables.
Obviously, Miracast has business uses too, such as sharing a laptop screen with a conference-room projector. You could pair two Miracast-enabled work devices and stream to your heart's content. Ideally, Windows 8.1's Miracast support would make life easier for Microsoft shops.