PROBLEM TO BE SOLVED: To provide a system for correlating and promoting the consumer participation-type commodity development and the sales in the retail market, capable of determining commodities meeting the consumers' need by inviting and exchanging opinions on the network, and on the other hand, determining a manufacturer who desires to manufacture the developed commodity and retailers who desire to sell the commodity, by inviting them on the network.;SOLUTION: This system has a means for opening a registered membership site on the network, a means for opening a site for inviting and exchanging the opinions relating to the development of the commodity to the members on the network, and a means for inviting the retailers who desire to sell the developed commodity.;COPYRIGHT: (C)2003,JPO
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