Administrative processing of purchase orders made on the internet; business information services in the field of electronic and on-line sales, web-marketing, on-line sales tools and back-up content provided on-line from a computer database for the internet; providing a searchable on-line advertising guide featuring the goods and services of other on-line vendors on the internet; electronic commerce services, namely, providing information products via telecommunication networks for advertising and sales purposes; mediation of agreements regarding the sales and purchase of goods; mediation of contracts for purchases and sale of products; procuring of contracts for the purchase and sale of goods