Facebook in recent years, a lot invested in augmented and virtual reality. An example is at least the company Oculus, which is still engaged in the creation of these gadgets. However, the Internet has got information according to which the service is Mark Zuckerberg would also like to have a solution. All this was concluded in classic glasses that look a bit more massive than ordinary eyeglasses. The prototype was created by a team of Facebook Reality Labs and are based on holographic and laser technology.
All this is just a concept and the demonstration of the equipment, which works a bit differently than the standard VR glasses. In this case we are dealing with a narrow field of view and passing through the lens, only the green light to the user.