Changes

*6 [[degrees of freedom]]: - ability to track user's head in rotational and translational movements.

*360 degrees tracking: - track user's head independent of the direction the user is facing.

*subSub-millimeteraccuracy - tracking accuracy of less than a millimeter.

*No jitter - no jittershaking, image on the display has to stay perfectly still.

*comfortable Comfortable tracking volume- large enough space to move around and still be tracked.<ref name="OC2014 Iribe">Oculus Connect 2014: Brendan Iribe Keynote</ref>