9 Machine-readable data carriers, namely, blank digital audio tapes, blank audio cassette tapes, blank video cassette tapes, blank electronic chip cards, blank smart cards, blank integrated circuit cards, blank magnetic computer tapes, blank video tapes, blank floppy computer discs, blank hard computer discs, blank computer discs, blank CD-ROMS, blank DVDs; computer software used for word processing, for coding and decoding electronically transmitted documents, for processing of digital signatures of certificates, for directory services and authentication