I think facial expression is already possible, probably not nuanced enough, but that's just dependent on the resolution of the cameras and holograms. Getting e

I think facial expression is already possible, probably not nuanced enough, but that's just dependent on the resolution of the cameras and holograms. Getting eye-level detail will be a pain because of the mask, but the real fun is going to happen when this can all be done with just a pair of glasses (and hopefully contact lenses in the far future).