2. A method of claim 1 , wherein the service includes a recommendation service.
2. A method of claim 1 , wherein the service includes a recommendation service. 10. A method of claim 2 , wherein the (1) data and/or (2) information and/or (3) at least one signal are further based, at least in part, on the following: at least one determination to retrieve at least one of the first and second recommendation models from the device.