9 Audio and video recordings featuring reference information such as that found in an encyclopedia, dictionary, phone book, tour guide or periodical; Audio discs featuring reference information such as that found in an encyclopedia, dictionary, phone book, tour guide or periodical; Audio recordings featuring reference information such as that found in an encyclopedia, dictionary, phone book, tour guide or periodical; Computer hardware and computer software programs for the integration of text, audio, graphics, still images and moving pictures into an interactive delivery for multimedia applications; Computer software to enhance the audio-visual capabilities of multimedia applications, namely, for the integration of text, audio, graphics, still images and moving pictures; Digital materials, namely, downloadable and streaming audio and multimedia files featuring reference information such as that found in an encyclopedia, dictionary, phone book, tour guide or periodical; Digital media, namely, downloadable and streaming audio and multimedia files featuring reference information such as that found in an encyclopedia, dictionary, phone book, tour guide or periodical; Downloadable video recordings featuring reference information such as that found in an encyclopedia, dictionary, phone book, tour guide or periodical; Multimedia software recorded on CD-ROM featuring reference information such as that found in an encyclopedia, dictionary, phone book, tour guide or periodical; Portable and handheld digital electronic devices for recording, organizing, transmitting, manipulating, and reviewing text, data, image, and audio files; Video recordings featuring reference information such as that found in an encyclopedia, dictionary, phone book, tour guide or periodical