Beyond television, beyond smartphones, the "next big thing" is virtual reality.

HTC Vive Pre / Oculus Rift / PlayStation VRBusiness Insider / Oculus VR / Tech InsiderPrepare to look silly.

2016 is the year that the first high-end, immersive VR headsets go up for sale, starting with Facebook's Oculus Rift (above, center) on March 28 and followed by the HTC Vive Pre (above, left) and Sony's PlayStation VR (above, right). But what are these things and how do they work? Let's find out!

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