Apparatus for data processing and computers; computer programs; software for streaming audiovisual content; hardware for streaming audiovisual content, movies, TV shows, or music, downloadable from communication networks; personal computers; monitors; apparatus for the recordal, transmission or reproduction of audio, video and data; digital audio/video readers/recorders; audio/video disc recorders/readers; disc changers; loudspeakers; stereo tuners; audio amplifiers; microphones; headphones; ...