COMPUTER PROGRAMS FOR CONNECTING, NAVIGATING, BROWSING, AND SEARCHING LOCAL, WIDE-AREA, AND GLOBAL COMPUTER NETWORKS, FOR ALLOWING USERS TO PERFORM ELECTRONIC BUSINESS TRANSACTIONS VIA A GLOBAL COMPUTER NETWORK, FOR FILTERING CONTENT OF SIGNALS RECEIVED FROM COMPUTER NETWORKS, CABLE, AND DIGITAL TELEVISION TRANSMISSIONS, FOR MONITORING AND ANALYZING COMPUTER USAGE, FOR INTERACTIVE TRAINING IN COMPUTER USAGE, FOR ELECTRONIC COMMERCE, AND DOCUMENTATION THEREFOR, SOLD AS A UNIT