A relatively near-term possibility is the recognition of natural gestures. If it's too loud, I pat my hand in the air downward a few times or put a finger to my

A relatively near-term possibility is the recognition of natural gestures. If it's too loud, I pat my hand in the air downward a few times or put a finger to my lips for mute. If it's too bright, I shield my eyes. If it's too hot, I jerk my hand back. If I want to see the time, I look at the clock, and it turns on. There's also plenty of room for big, dumb controls too. Hit the phone to make it stop ringing. Or squeeze it or shake it or tap it on your palm like a pack of cigarettes.