Just as water, gas, and electricity are brought into our houses from far off to satisfy our needs in response to a minimal effort, so we shall be supplied with visual or auditory images, which will appear and disappear at a simple movement of the hand, hardly more than a sign.
水やガス、電気が欲しい時に簡単に手に入るように、映像や音楽も手を軽く動かすだけで点けたり消したり出来るようになるだろう。