party other than the client or the subscriber in a preferred embodiment the customization server platform includes an information source having the categorized content item and the server platform retrieves the content item from the information source and sends it to the client subscriber or third party in certain embodiments the server platform sends the content item together with the action to the client in other embodiments the server platform may send the action which is a first action such as a display modification and the content item to the client and send a second action invoked by the rule to the subscriber for instance the second action could be a bill for sending the modified display action to the client in certain embodiments the user may request a content item that is uncategorized in such a case the system further includes a categorizer and the server platform sends the uncategorized content item request to the categorizer the categorizer categorizes the content item according to the scheme defined by the taxonomy application program and returns the categorized content item to the server platform where it can now be identified according to the taxonomy a representative example of a preferred embodiment of the method refers to embodiment of the system of.