Abstract: A wireless receiver and methods for storing content from RF signals received by the wireless receiver are provided. The wireless receiver includes a microprocessor and an RF receiver configured to operably communicate with the microprocessor. The RF receiver is configured to receive an RF signal having digital content therein. The wireless receiver further includes a detachable memory device configured to operably communicate with the microprocessor. The detachable memory device has a unique serial number stored therein. The microprocessor is configured to retrieve the unique serial number from the detachable memory device. The microprocessor is further configured to receive the digital content from the RF receiver and to encrypt the digital content utilizing the unique serial number to obtain encrypted digital content. The microprocessor is further configured to store the encrypted digital content on the detachable memory device.

Abstract: A wireless receiver and methods for storing content from RF signals received by the wireless receiver are provided. The wireless receiver includes a microprocessor and an RF receiver configured to operably communicate with the microprocessor. The RF receiver is configured to receive an RF signal having digital content therein. The wireless receiver further includes a detachable memory device configured to operably communicate with the microprocessor. The detachable memory device has a unique serial number stored therein. The microprocessor is configured to retrieve the unique serial number from the detachable memory device. The microprocessor is further configured to receive the digital content from the RF receiver and to encrypt the digital content utilizing the unique serial number to obtain encrypted digital content. The microprocessor is further configured to store the encrypted digital content on the detachable memory device.

Abstract: Methods for providing location-based services to users are provided. A representative method comprises acquiring information corresponding to antenna locations associated with a user and using the information acquired to approximate a future location of the user. Systems, computer-readable media and other methods also are provided.

Abstract: Methods for providing information to users via mobile appliances are provided. One such method includes: using an executing application to generate a display field on a mobile appliance; receiving information at the mobile appliance; and displaying an indicium to the user within the mobile appliance, the indicium being configured to inform the user of a category of content associated with the information received, the indicia lacking at least a portion of the content associated with the information received. Systems and computer-readable media also are provided.

Abstract: A method, apparatus, and data structure for facilitating electronic commerce using a product having a unique identifier. The method involves providing an account number that is associated with the unique product identifier for enabling a commercial transaction. The apparatus comprises a product having a unique identifier, and a computing unit for providing an account number that is associated with the product identifier for enabling a commercial transaction. Also disclosed is a data file embodied in a computer-readable medium comprising an identifier segment comprising information corresponding to a representation of a product identifier, and an account number segment comprising information corresponding to a representation of an account number for enabling a commercial transaction.