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 a web site at which users can link to web sites owned or operated by others; Promoting the goods and services of others by providing hypertext links to the web sites of others; Providing a web site at which users can offer goods for sale and buy goods offered by others; Providing a web site which features 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; Providing space at a web site for the advertisement of the goods and services of others; Rental of advertising space on web sites