A concept described in
William Gibson's novels
Neuromancer, Count Zero, and Mona Lisa Overdrive, basically like
virtual reality for all of the senses. Everything that an actor or actress experiences is recorded and through hardware, is experienced by the "viewer."
A beautiful dystopic vision, to say the least. Who would want to live their own mundane and unique existence when they could be having sex with one of the
beautiful people on a white-sands beach whenever they wanted to?
Visions of those rats who starved to death while pressing the lever to deliver instantaneous pleasure come to mind.
Hey, I have an idea for a new diet product!