A method for using a computer connected to a network to match buyers and sellers, the method including: receiving a buyer request from a buyer, the buyer request including a request to purchase a good or service, having the computer search sites on the network for sell ads from sellers, each of the sell...http://www.google.ca/patents/US20020023042?utm_source=gb-gplus-sharePatent US20020023042 - Method and apparatus for a network system designed to actively match buyers and sellers in a buyer-driven environment
