>> When you set up Face ID, you just follow the on-screen instructions. And it tells you how to move your head around in the camera, so Face ID can recognize your face. And that's it, you do that once when you set it up. And Face ID learns your face, even if you change your hairstyle, you decide to put on glasses, you're wearing a hat.
So you do it up any way you do it, Face ID learns your face. And the teams worked hard to make sure that Face ID can't easily be spoofed by things, like photographs. So this is the future of the smartphone, shipping this year.