PARIS, FRANCE — DECEMBER 23: A gamer plays a game with the virtual reality head-mounted display ‘Oculus Rift’ during the ‘Noel de Geek’ at the Cite des Sciences et de l’industrie on December 23, 2014 in Paris, France. The display transfers the eye movements to the game in real time. ‘Noel de Geek’ takes place from December 23, 2014 till January 04, 2015. (Photo by Chesnot/Getty Images)