Advertising, marketing and promotional services, namely, promoting the goods of others to consumers via a global computer network; providing information regarding electronic consumer coupons and consumer coupon codes via a global computer network; administration of a discount program enabling participants to obtain discounts on goods and services, customer loyalty and target services for commercial, promotional and advertising purposes, product rebate processing and order fulfillment services for others; providing product rebate processing services via a global computer network; management services, namely, managing the promotions of others; providing computerized on-line retail store services; providing an on-line commercial information directory; providing a searchable database in the field of business information available via a global computer network; providing a searchable on-line advertising guide featuring the goods and services of on-line vendors; database management services; providing a web site that enables users to post items for sale through on-line classified advertisements