Operating on-line marketplaces for buyers, sellers and traders of goods and services; on-line trading services in which buyers, sellers and traders post products to be bought, sold and traded and trading is done via the internet; on-line retail store services, on-line procurement, providing an on-line searchable computer database for the procurement of, and on-line information regarding a wide variety of general products and services in the fields of entertainment, music, art, literature, cul...