摘要 |
A method and apparatus for selecting between a plurality of audiovisual data resources. The method comprises storing data indicating limitations on use of a first of said resources of audiovisual data based upon data indicating a quantity of use which can be made of the first audiovisual data resource by a particular user or group of users and selecting one of said audiovisual data resources based at least in part upon said data indicating limitations on use of the first of said resources. |