15. The mobile device of claim 13 , wherein the authority includes information to limit the authorization to a predetermined level of control, a predetermined location in which control is permitted, a predetermined time frame in which the control is permitted, and a predetermined access path in which the other user approaches the one or more external services.
13. The mobile device of claim 1 , wherein the first semantic atom extends authority to perform input commands for one or more external services to at least one other mobile device.