Provision of an on-line marketplace for buyers and sellers of goods and services; Compilation of advertisements for use as web pages on the Internet; Online advertising network matching services for connecting advertisers to websites; Promoting, advertising and marketing on-line web sites of others; Providing a web site which features advertisements for the goods and services of others on a global computer network; Providing a website featuring on-line classified advertisements; Providing marketing information via a website; Provision of space on websites for advertising goods and services; Rental of advertising space on web sites