Alistair Crowley used to define magic as anything in which you can exercise your will in the world through the use of your mind. So what's the magical way of opening or closing that door? Well, to will your body to stand up and close or open that door, that's magic. With the iPhone, it's like you put your intent into it, and it helps you exercise that intent in the world.
I saw the dance as a vision of ineffable power. A man could, with dignity and a towering majesty, dance. Not mince, cavort, do "fancy dancing" or "showoff" steps. No: Dance as Michelangelo's visions dance and as the music of Bach dances.