TEXT: BARCELONA, SPAIN - FEBRUARY 23:  Visitors use Oculus VR virtual reality devices at Deutsche Telekom pavilion on the second day of the event at the Fira Gran Via Complex on day 2 of the Mobile World Congress on February 23, 2016 in Barcelona, Spain. The annual Mobile World Congress hosts some of the world's largest communications companies, with many unveiling their latest phones and wearables gadgets.  (Photo by David Ramos/Getty Images)