In iOS 6, Apple included metallic sliders that adjusted its reflection when you tilt your phone, and with iOS 7 the company has taken that concept one step further by making the whole home screen sensitive to movement. Now you can look at what’s “behind” your home screen icons when you tilt your iOS device, creating a really awesome 3D parallax effect.
Here’s a video showing the effect:
The positional data is fetched from the wide array of sensors in iOS devices like the gyroscope, accelerometer and the compass. Let’s just hope that this feature doesn’t have too much of an impact on battery life.