It's often hard to convey what's happening inside virtual reality. HTC Vive's green screen idea attempts to do just that -- and also make it more interesting to watch. I will admit: Watching someone else play in VR is typically pretty damn boring. But this concept from HTC represents a rare opportunity to show what someone's doing when they strap on a headset. The tech is clever, but not rocket science: A camera (with a HTC Vive controller attached for positioning within the VR world), captures you on green screen. The camera then sends this feed to a connected PC which processes it in tandem with the VR game (in this case, teleporting-shooter Jeeboman.) Then, like a hyped video-game promise from decades ago, it's like you're inside the game.