1. A server computer for use in the World Wide Web distributed hypermedia network on the Internet, and for disseminating interactive content to two or more client computers via the World Wide Web distributed hypermedia network on the Internet, the server computer comprising: a processor; and a memory device which stores a plurality of instructions, which when executed by the processor, enables the processor to: a. receive a request for information; and b. cause a transfer of the information onto the World Wide Web distributed hypermedia network on the Internet, wherein: (i) at least part of the information is configured to enable a World Wide Web browser on each of the client computers to cause a display of a World Wide Web page, (ii) the World Wide Web browser has been configured to: (a) parse an HTML tag to detect a data type of an object to cause the World Wide Web browser to employ a data structure to select one of a plurality of different interactive-content applications, the HTML tag specifying a location of at least a portion of the object, the object including the interactive content, (b) identify the selected interactive-content application, (c) locate the identified interactive-content application, and (d) automatically invoke at least a part of the located interactive-content application, (iii) the automatically invoked interactive-content application has been configured to operate as part of a distributed application configured to enable a user to interact with the object, displayed within the World Wide Web page, through the use of communications sent to and received from at least a portion of the distributed application located on two or more distributed application computers connected to the World Wide Web distributed hypermedia network on the Internet, the two or more distributed application computers being remote from the two or more client computers, (iv) the data structure has been configured to contain associations between a plurality of data types and corresponding different interactive-content applications for handling objects of the data types, and (v) the data structure has been configured to be accessible by the World Wide Web browser prior to the World Wide Web browser receiving the information.