I was just thinking: what if there's some kind of button which you press, and microphone, or something similar to that, and you speak into that, such as "make toast", or "let dogs out", and through wired cables, or wireless (idk), a voice-recognizing program stored in an electronic system initiates the task? That way, everything in the house can be controlled by the command of a voice, and robots. So I said, why doesn't this exist yet? It MUST be impossible, but I don't see WHY this would be a hard thing to accomplish this. If someone can provide some intuition behind the difficulties of this concept, that would be awesome!