Computerized on-line gift ordering service which matches the gift giver's requirements with the gift recipient's wants and needs; Gift registry services; Providing online gift trading services in which seller posts the product to be offered and bidding is done via the Internet; Operating on-line market places for sellers of goods and/or services; Providing a web site that enables users to post items for sale through on-line classified advertisements; Provision of space on websites for advertising goods and services