| 摘要 |
<P>PROBLEM TO BE SOLVED: To fully satisfy both demands on the buyer side and the seller side. <P>SOLUTION: This electronic commerce device 1 comprises a buyer side information providing means 5 providing buyer side information on a first presented price of merchandise or service presented at a specific Web site, provided from the buyer side purchasing the merchandise or service, to the seller side; a price comparing means 6 comparing the first presented price with a second presented price presented from the seller side; a seller side information providing means 7 providing seller side information on the second presented price to the buyer side when the price comparing means 6 determines the second presented price to be lower than the first presented price; and a lowest price display means 9 displaying the second presented price as the lowest price of the merchandise or service when the purchase/sale transaction of the merchandise or service at the second presented price is established between the seller side and the buyer side. <P>COPYRIGHT: (C)2008,JPO&INPIT |
