On-line auction bidding for others; On-line auction services; On-line business directories featuring attorneys, beauty-related shops, businesses for sale, construction services, electrical and test equipment, healthcare, industrial equipment supply MRO services, educational instruction and advice, land development, manufacturing and metalworking, marketing and public relations, news services, office, online and offline publications, printing and graphic arts, restaurants, retail stores; On-line trading services in which seller posts products to be auctioned and bidding is done via the Internet; Operating on-line marketplaces for sellers of goods and/or services; Promoting the goods and services of others by providing a web site at which users can link to advertisements; Providing a web site that enables users to post items for sale through on-line classified advertisements; Providing information about the goods and services of others via the global computer network; Providing on-line directory information services also featuring hyperlinks to other web sites; Sales promotion for third parties