On-line trading services, namely, operating on-line marketplaces for sellers of goods and/or services; online trading services in which seller posts products to be offered for sale and bidding is done via the Internet in order to facilitate the sale of goods and services by others via a computer network and providing evaluative feedback and ratings of sellers' goods and services, the value and prices of sellers' goods and services, buyers' and sellers' performance, delivery, and overall tradi...