More functionality possible only via Jailbreak with IPAD, using the Magic Mouse from Apple, as we see in the video below.
http://www.youtube.com/watch?v=2wklrVOFMKA&feature=player_embedded#at=185 (http://www.youtube.com/watch?v=2wklrVOFMKA&feature=player_embedded#at=185)
This only proves that the jailbreak is not only used for piracy, but also for improving the use and interface of Apple's gadgets, there are many examples of this. :)