Changes

For facial interface headsets like the Rift CV1 and the HTC Vive, the motion tracking issue is further compounded by the mass imbalance of the headset, where it is heaver at the front, making the user's head movements unusual. This is the case for halo headband style headsets too.

For facial interface headsets like the Rift CV1 and the HTC Vive, the motion tracking issue is further compounded by the mass imbalance of the headset, where it is heaver at the front, making the user's head movements unusual. This is the case for halo headband style headsets too.

Virtual reality is incomplete because it does not cover the full human perceptual space.

Virtual reality is incomplete because it does not cover the full human [[perceptual space]].

==Hardware technologies==

==Hardware technologies==