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At any rate, it's pretty silly to compare 3D printing to VR which is not so much a new technology, but little more than putting a screen really close to your face.
Your understanding of VR is rudimentary at best. The initial VR labs not only used telepresence gloves and head/eye tracking, they often used bizarre omnidirectional treadmills and the like. Even on a consumer level things were substantially more advanced than that. Hell, I had someone bequeath me one of these two years ago, and it was three years old then: http://www.amazon.com/Essential-Reality-P5-Gaming-Glove/dp/B... "Little more than putting a screen really close to your face" is a dismissive overview of the sheer amount of widgetry thrown at the problem, only to provide exactly zero consumer adoption.