===Requirements for Presence===
something'''Tracking''': 6DOF, 360 degrees, sub-millimeter, no jitter, comfortable tracking volume.<ref name="OC2014 Iribe">Oculus Connect 2014: Brendan Iribe Keynote</ref>
something2'''Latency'''<ref name="OC2014 Iribe">Oculus Connect 2014: Brendan Iribe Keynote</ref>
something3<ref name="OC2014 Iribe">Oculus Connect 2014: Brendan Iribe Keynote</ref>
