Telepresence: A Market? Audio/Video/Data-communication

“being there, then” without having to, or“being there” while being here, there, or elsewhere
if we had “Telepresence”would we be here? or need to be?
the telepresence channels, information, and apps:
- Computer: remote window control, text, graphics, images, animation, 3D, and 4D (VR)
- Speech: encoded, evolving to hi quality audio
- Video: TV with evolving resolution
Tools: desktop presentations
like... SGI “In Person” videophone, shared whiteboards, shared apps e.g.image & movie viewers ...