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When Facebook bought Oculus VR back in March of 2014, many wondered exactly what the social network was going to do with it—let’s face it, many of us are still wondering. But there are some interesting bits of tech starting to emerge from the now Facebook-owned Oculus that hint at what the future might hold for the Rift outside gaming. One such piece of tech—a “facial performance” tracking system—adds a vital element of social interaction to VR usage: facial expressions.