Computer hardware and software for use in establishing virtual private networks, analyzing network user activity, protecting computer networks from viruses and access by unauthorized users, and managing and operating public key infrastructures, namely, issuing and managing digital certificates and encrypting, authenticating, and preventing repudiation of electronic messages and documents

Portable media player, CD Players, Compact disc players, Portable listening devices,Portable radios, MP3 players, Digital audio players, Pre-recorded CD'smusic, audio books, games, laser disks and DVD's featuringmusic, audio books, games, Audio recordings featuringmusic, audio books, games,Video disk players, DVD-players