[From Hans] Apple doesn't want you bittorrent'ing from it's iPhones, "Citing copyright infringement concerns, Apple won’t include a BitTorrent client in the App Store.
The Cupertino-based electronics company rejected Maza Digital’s Drivetrain, saying “this category of applications is often used for the purpose of infringing third-party rights. We have chosen to not publish this type of application to the App Store.”" Read in full.