Gaze Hints
Voice Gaze Hints
A subtle arc appears in the direction of whoever is talking
If someone is talking behind me, it should point down and to the left or right, rather than just down.
Joining Gaze Hint
Once a remote user becomes cospatial, there should be a three second phase where I see a gaze arrow pointing to where they are. After three seconds, they rez in with the cool animation.