On-line advertising and marketing services; On-line advertising on a computer network; On-line advertising services for others; Online advertising and promotional services; Online advertising network matching services for connecting advertisers to websites; Online advertising on a computer network; Providing a searchable on-line advertising website and guide featuring the goods and services of other vendors via the Internet; Promotion, advertising and marketing of on-line websites; Providing on-line business information of others, namely, advertisements or solicitations; Providing a searchable online advertising guide featuring the goods and services of online vendors; Providing a web site featuring on-line classified advertisements posted by users; Providing a website featuring on-line classified advertisements; Providing an online directory information service featuring information regarding vehicles in the nature of classified advertisements