Valve não arrisca Realidade Virtual, mas ajudar a Oculus já arrisca.

http://www.eurogamer.pt/articles/2014-01-17-valve-esta-a-cooperar-com-a-oculus-vr


http://www.pcworld.com/article/2088747/valve-and-oculus-team-up-for-virtual-reality-supergroup.html


http://www.polygon.com/2014/1/17/5317958/valve-believes-mainstream-consumer-vr-is-another-two-years-away


http://www.computerandvideogames.com/445763/valve-wont-sell-vr-hardware-but-backs-oculus-rift/


http://arstechnica.com/gaming/2014/01/report-valve-has-no-current-plans-to-release-its-own-vr-headset/


http://www.gameplanet.com.au/news/g52d8b1fee7cc8/Valve-partners-with-Oculus-to-push-VR-tech-forward/ João Miguel Farinha Rodrigues