Abstract: A system and method for authenticating users based on personal information. The personal information may include age-related data where the users are interested in receiving age-restricted content. The personal information may include an address and a permission request is sent to the address. Biometric information may also be associated with the personal information.

Abstract: In one aspect of the invention, a method is provided for storing audio files. The method includes: (a) receiving electronic files at a central location from a first device, those electronic files representing audio signals; (b) associating the audio files with identification information; (c) storing the audio files at the central location on at least a portion of a storage media, that portion being uniquely associated with the identification information; (d) receiving the identification information from a second device; and (e) transmitting the audio files to the second device upon receipt of the identification information.

Abstract: In response to a request for audio-visual content from a user, a method and system is provided which sends the content and additional information related to the location of the user.

Abstract: A method and system is provided which generates and uses authentication codes so that when one device is connected to another device, the devices can only communicate with one another. The method and system preferably counts the number of times the devices have successfully communicated as part of the authentication process.