Marketplace system that supports user-to-user sales via a definitive product catalog

作者: Paul Kotas , Neil C. Roseman , Bruce C. Moore , Richard L. Dalzell , Jeffrey M. Blackburn

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摘要: An electronic marketplace system embodies various inventions for assisting users in listing products sale, locating the listings a product, and performing related actions. A user wishing to sell product can browse an existing description of catalog then select option create corresponding listing. To selected preferably specifies product's condition selling price. The pending are displayed or summarized on detail page catalog. When no such exist, preorder from unspecified seller may be provided. In one embodiment, also serves as retail sales merchant.