Apparatus for communication; Apparatus for the communication of data; Apparatus for use in audio-visual communication; Appliances for communication; Communication devices; Communication software; Communications networks; Communications processing computer software; Computer programs for use in communications; Computer related data communication apparatus; Data communications apparatus; Data communications hardware; Data communications software; Electrical communication apparatus for transmitting data; Electronic apparatus for developing communication links; Electronic data communications apparatus; Electronic message switching apparatus for use in communications installations; Machines for communication; Networks for the interconnection of communication systems; Personal communication apparatus; Personal communication devices; Programs for use in communications; Synchronous data communications apparatus; Video communications apparatus; Apparatus for message sending; Apparatus for sending messages; Appliances for the recording of messages; Appliances for the reproduction of messages; Appliances for the transmission of messages; Electronic message handling apparatus; Electronic panels for displaying messages; Message forwarding instruments; Computer game programs; Computer game software; Computer programs for playing games; Recorded software and programmes for use with electronic games of all kinds; Amplifiers being audio apparatus; Analogue to digital audio converters; Apparatus for processing audio signals; Apparatus for recording audio signals; Apparatus for transmitting audio signals; Audio processing apparatus; Audiovisual instruments; Electronic audio signal processors for compensating sound distortion; Electronic mixers for mixing signals in the production of audio recordings; Security apparatus for processing audio signals; Security apparatus for processing video and/or audio signals; Programs for use with computer games; Electronic apparatus for home use with audiovisual playbacks; Electronic digitizers for video picture analysis; Electronic video multiplexer; Electronic visual display apparatus for use with computers; Apparatus for electronic digital processing; Apparatus for electronic recording of sound