Back in 2011 when Microsoft demoed them, I didn’t see that communication avatars (sorry, “Personas”) would be useful for AR; strapping an iPad to my face was a distant dream. I think I still believe the real value will be in facing emotional states, though. https://twitter.com/gerwitz/status/84311406148718593
And doesn't this seem quaint, now? https://www.youtube.com/watch?v=67ntPdFPmUM