publication of books and magazines for others via online electronic media; publication of books and magazines for others in the field of games and computer games; educational and entertainment services, namely, development and dissemination of educational and entertainment program services for others in audio, audio-visual and print formats delivered via electronic media; production and distribution for others of audio-visual works and multimedia interactive programming for education and entertainment distributed over television, computer network systems and wide area networks; production of motion pictures; and amusement centers