The regular version of Firefox already supports WebVR, an experimental Javascript API for high-end VR headsets including the HTC Vive and Oculus Rift. Firefox Reality will be quite different, however. The organisation is rethinking how users should type, communicate, and flip between web pages that contain 2D and 3D content. In addition, the team is looking at voice recognition, connected devices, and heady questions such as "who controls the web"" and "who controls what you see?" Sean White, Mozilla's chief R&D officer said: "Everything is new again, and we are constantly building and experimenting to find the right answers."

Update: Mozilla has released a video of an early build: