iOS7 introduces head gesture control as part of Apple’s accessibility tools.
It cycles automatically through every on-screen icon, just like a scanning on-screen keyboard, with the user selecting options by moving their head.
The ‘Switch control’ feature, lets you set left or right head movements to trigger Siri, the notification center, control volume, open the multi-tasking menu or jump you back to the home screen.
9to5Mac reports more, including this video demo.
via CNET UK