Patent ID: 7356766

Claim:
A method for adding content to a first content object, being one of a book, a collection of images, an album, a video and a multimedia object, capable of being produced by a processing system and stored as a first plurality of content entities in a data repository, the data repository containing a second plurality of content entities of a second content object, each of the content entities having an identifier, comprising: defining the first content object by a first list of content entity identifiers indicating the content entities within the first content object, wherein a hierarchical arrangement of the content entity identifiers within the first list includes at least one hierarchical tier and at least one subordinate tier and corresponds to a user-defined hierarchical structure of the first content object, wherein the content entity identifiers are determined by the processing system and placed in the list in response to user selection of ones of the second plurality of content entities and corresponding locations for the selected content entities within the first content object, and wherein adding the content entity identifier of one of the second plurality of content entities to the first list at a location corresponding to the user selected location adds the identified content entity to the first content object at a location within the hierarchical structure corresponding to the location within the list hierarchical arrangement, wherein the first list of content entity identifiers comprises a plurality of content entity identifiers each including identification information identifying the content entity within the data repository associated with that identifier.