The voice is the most important medium through which this kind of human computer communication can occur. Within about the last ten years, silicon valley figured out that they were getting awfully good at transcribing speech into print from just the sound of someone talking into a microphone. They realized it was not sounding like a human being because there was not the nice up and down of emotional coloring and linguistic procidy. And so they had to figure out how to do they suddenly realized this is the game changer for computers now. So we're in a brave new world, no questionf a i voices.