People love playing video games together, whether in the same room or remotely. I just saw a demonstration of how we might soon be able to play together in augmented reality, too.

The demo was a treat because virtual reality and its cousin augmented reality—in which digital imagery is overlaid on your view of the real world—are still very isolating. You tend to use them while wearing a dopey-looking headset, and chances are that whatever digital imagery you’re seeing, you’re checking it out all alone. But last week at Microsoft’s annual developer conference in San Francisco, I and several other people put on the company’s $3,000 HoloLens headsets and interacted with each other over a wireless network.

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