Computerized on-line ordering featuring general merchandise and general consumer goods; On-line advertising and marketing services; Providing a web site that enables users to post items for sale through on-line classified advertisements; Providing an on-line commercial information directory on the internet; Providing an on-line searchable database featuring classified ad listings and employment opportunities; Providing on-line directory information services also featuring hyperlinks to other web sites; Real estate marketing services, namely, on-line services featuring tours of residential and commercial real estate