Apple has been exploring the idea of a 3D iOS interface that reacts to its surroundings, a newly-published patent application reveals. Called Three Dimensional User Interface Effects on a Display by Using Properties of Motion, the document notes that products like the iPhone have the benefit of numerous different sensors, such as accelerometers, compasses, cameras, and GPS receivers. "However, current systems do not take into account the location and position of the device on which the virtual 3D environment is being rendered," Apple writes. The company also menti