In this June 11, 2014 file photo, a man tries out the Oculus Rift virtual reality headset at the Oculus booth at the Electronic Entertainment Expo, in Los Angeles. From virtual reality headsets to the latest installments of “Halo” and “Uncharted,” the newest hardware and software will be hyped by nearly 300 exhibitors at the 2015 Electronic Entertainment Expo, the gaming industry’s annual trade show held June 16-18, 2015, in Los Angeles.