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Positional tracking tracks the absolute position of the [[HMD]] and other devices within the 3 dimensional space. Positional tracking records the [[translational movement]]s, left/right, forward/backward and up/down, of your device. Precise and low [[latency ]] positional tracking is essential to have a good [[VR]] experience and produce [[presence]].
By contrast, [[rotational tracking]], records the [[rotational movement]]s of your HMD, such as turning and tiling of your head.
==Methods==
