[Proxy-robot] interfaces can put limitless experiences at a person's disposal, even without the person's having to leave the comforts of home. Moravec promises that eventually the difference between transportation and communication will be moot. A person will be able to interact with other life-situations in several ways: by remote control (receiving sensory experiences from a robot), or by simulators, or by way of equipment which produces virtual realities. Or, of course, any combination of these.