MATCHING SELLERS OF GOODS AND SERVICES WITH ONLINE AUCTION SITES ON AN ONLINE ELECTRONIC COMMUNICATIONS NETWORK; PLACING ADVERTISING FOR OTHERS VIA AN ONLINE ELECTRONIC COMMUNICATIONS NETWORK; DISSEMINATION OF ADVERTISING FOR OTHERS VIA AN ONLINE ELECTRONIC COMMUNICATIONS NETWORK; PROVIDING ADVERTISING SPACE ON AN ONLINE ELECTRONIC COMMUNICATIONS NETWORK; PROMOTING THE GOODS AND SERVICES OF OTHERS BY PREPARING AND PLACING ADVERTISEMENTS ON AN ONLINE WEB SITE ACCESSED THROUGH A GLOBAL COMPUTER...