Automatic multimode system for organizing and retrieving content data files

A method for operating a display device, the method comprising the steps of:

• accessing a plurality of digital images;
• determining how many groups of images would be formed from said plurality of images as a result of the application of each of said categorization methods;
• determining a range of representations (R) that can be displayed on an imaging device each representation being associated with one said of groups of images;
• and
• selecting a categorization method from said plurality of categorization methods that forms a number of groups (GX) of images from said plurality of images wherein the number of groups (GX) is within the range of representations (R).

A display device comprising:

• a source of content data files each content data file including information that can be presented on a display;
• a user input adapted to receive a user request for content data files;
• and,
• a controller that receives the user request for content data files and accesses a collection of content data files in response thereto, the controller further being operable to determine groups of the content data files generated using a plurality of different of content data file categorization methods;
• wherein said controller selects one of the categorization methods from the plurality of different of categorization methods based upon whether application of that method will yield a number of groups of content data files that is within a determined range of representations of such groups.