gettyimagesPARIS, FRANCE - OCTOBER 28: A gamer plays a video game with the virtual reality head-mounted display 'Playstation VR' during the 'Paris Games week' at Parc des Expositions Porte de Versailles on October 28, 2015 in Paris, France. The display transfers the eye movements to the game in real time. 'Paris Games week' takes place from October 28, 2015 until November 01, 2015. (Photo by Chesnot/Getty Images)