The new iPod Touch terminals have the FaceTime function initially included in the iPhone 4, so they allow making video calls, but they also included the vibration module existing until now only in iPhone terminals. Apple motivated the introduction of this module by the fact that it warns deaf people when they are called. Apple promoted FaceTime as a great way for deaf people to be able to sign language with relatives in other corners of the world, and the vibration option would alert them when they are called. This new feature could also be used in games if Apple accepts this, all that remains is for developers to implement it in applications.
