Providing a web site featuring on-line classified advertisements posted by users; Advertising and business services, namely, dissemination of advertising for others via a global computer network; Providing a searchable database via a global computer network featuring classified ad listings; Providing a searchable advertising guide via a global computer network featuring the goods and services of others; Retail store services and online retail store services featuring consumer goods and services of others; Operating an on-line marketplace for buyers and sellers of goods and services; Promoting the goods and services of others by means of operating an on-line marketplace for buyers; Providing consumer information via a website regarding vehicles for sale featuring vehicle specifications, vehicle selection, vehicle comparisons, price-comparison information and vehicle availability from private parties, automotive dealers, and manufacturers