Embodiments of the present invention describe a network-based reverse auction system value discovery system including at least four major customers: consumers, and the three sell-side customers bidder/sellers, product manufacturers, and advertisers who are not also product manufacturers. Initially, a...http://www.google.com/patents/US7624051?utm_source=gb-gplus-sharePatent US7624051 - Method and system for forming a list-based value discovery network
