1. A demand driven process of collecting structured product and service information comprising the steps of: receiving an electronic request for information from a requestor, where such requested information is about a specific product or service, attribute thereof, or class thereof; associating one or more potential responders with the request for information; providing the request for information to the one or more potential responders via an electronic format; receiving and organizing one or more electronic responses from the responders; and providing the organized electronic responses to the requestor.