Advertising services, namely, providing information as to the availability of commercial, vacation and residential real estate for rent or purchase; Advertising, marketing, and promoting the goods and services of others via an on-line website.; Classified advertising services; Promoting the goods and services of others by providing a web site featuring links to classified adds and listings.; Providing a searchable on-line advertising website and guide featuring the goods and services of other vendors via the Internet; Providing a web site featuring on-line classified advertisements posted by users; Providing a website featuring an online marketplace for exchanging goods and services with other users; Providing an on-line searchable database featuring classified ad listings and employment opportunities; Providing an on-line searchable database featuring used books being offered for sale and buyer/seller contact information; Providing an online directory information service featuring information regarding vehicles in the nature of classified advertisements; Provision of advertising space by electronic means and global information networks