COMPUTERIZED ON-LINE ORDERING FEATURING GENERAL MERCHANDISE AND GENERAL CONSUMER GOODS; EXCHANGE SERVICES, NAMELY BARTERING GENERAL MERCHANDISE AND GENERAL CONSUMER GOODS OF OTHERS; PROVIDING AN ON-LINE COMMERCIAL INFORMATION DIRECTORY; PROVIDING A SEARCHABLE DATABASE IN THE FIELD OF BUSINESS INFORMATION AVAILABLE VIA A GLOBAL COMPUTER NETWORK; PROVIDING A SEARCHABLE ON-LINE ADVERTISING GUIDE FEATURING THE GOODS AND SERVICES OF OTHER ON-LINE VENDORS; DATABASE MANAGEMENT SERVICES; ADVERTISING ...