Advertising, including promotion relating to the sale of articles and services for third parties by the transmission of advertising material and the dissemination of advertising messages on computer networks; Business services, namely providing computer databases regarding the purchase and sale of a wide variety of products and services of others; Marketing services, namely providing informational web pages designed to generate sales traffic via hyperlinks to other web sites; Promoting the goods and services of others by providing hypertext links to the web sites of others; Providing a series of web sites which feature advertisements for the goods and services of others on a global computer network; Providing on-line directory information services also featuring hyperlinks to other web sites