Apple has released a second version of its beta for iOS 7 and the operating system has learned a few new tricks. One of the most head-turning is that users can now control certain parts of the user interface by simply tilting their heads certain directions. Yes, the iPhone or iPad watches you.
The feature comes as part of iOS’s built-in accessibility package, seemingly as an option for those with limited body movement to control their devices without actually touching them. It uses the front-facing FaceTime camera to detect the movements, and then the device reacts accordingly.
Here is a video demo of the trick.