"John Carmack gave his QuakeCon keynote this year which focused on his efforts and thoughts about virtual reality. Following the release of Rage, Carmack allowed himself to let loose, buy some VR headsets and get his engineering mind locked in on a new technology. Carmack spoke for over three hours, wandering away and then back time after time to the virtual reality theme. His sleuthing and coding has led to the creation of a playable VR demo of Doom 3 (which he tried to temper expectations for). Virtual reality has been portrayed by the media to be a realistic life simulator, but Carmack assures us that there is still plenty of work to be done. These warnings led into musings on the state of display technology, cloud gaming, Ouya, and many other topics during a three hour one-man show that most audience members couldn’t endure through ‘til the end."