On-line auction services; On-line auction services featuring billiards, cue sports, and cue-making supplies, equipment, gear, tools, materials, machinery, and services; On-line trading services in which seller posts products to be auctioned and bidding is done via the Internet; On-line trading services in which users post requests for products and negotiate transactions via the Internet; Promoting the goods and services of others; Promoting the goods and services of others by providing a web site featuring links to billiards, cue sports, and cue-making supplies, equipment, gear, tools, materials, machinery, and services; Computerized on-line ordering featuring general consumer merchandise; Computerized on-line ordering services in the field of billiards, cue sports, and cue-making supplies, equipment, gear, tools, materials, machinery, and services; Operating on-line marketplaces featuring billiards, cue sports, and cue-making supplies, equipment, gear, tools, materials, machinery, and services; Operating on-line marketplaces for sellers and buyers of goods and/or services; Providing on-line trade directory services; Providing an on-line commercial information directory on the internet; Provision of an on-line marketplace for buyers and sellers of goods and services; Provision of an on-line marketplace for buyers and sellers of billiards, cue sports, and cue-making supplies, equipment, gear, tools, materials, machinery, and services; Provision of an online marketplace for buyers and sellers of goods and services