9 electronic apparatus for use with a television for receiving information and sending information in response to the received information, namely remote controllers, hand held controllers, television decoders, television set top decoders, modems, printers, facsimile machines, electronic devices capable of sending and/or receiving an infrared signal for communicating data, and related software and manuals, distributed with individual components of the apparatus as a unit; electronic program authoring system, namely electronic hardware for synchronizing and inserting interactive data into a television signal, and related software and manuals, distributed therewith as a unit; electronic program guides, newsletters, and catalogues for television programs