9 COMPUTER SOFTWARE TO ALLOW USERS TO PERFORM ELECTRONIC BUSINESS AND OTHER FINANCIAL TRANSACTIONS VIA A GLOBAL COMPUTER NETWORK AND USER MANUALS SOLD IN CONNECTION THEREWITH; COMPUTER SOFTWARE FOR USE IN THE AUTHENTICATION OF A DIGITAL SIGNATURE, DATA ENCRYPTION, SECURE COMMUNICATIONS, SECURE STORAGE AND VERIFICATION OF ELECTRONIC TRANSACTIONS, DOCUMENTS OR COMMUNICATIONS OVER A GLOBAL COMPUTER NETWORK OR OTHER COMPUTER NETWORK, AND INSTRUCTIONAL AND USER MANUALS SOLD IN CONNECTION THEREWITH; DOWNLOADABLE COMPUTER SOFTWARE FOR USE IN CONDUCTING ELECTRONIC BUSINESS TRANSACTIONS IN THE FIELD OF MAIL