摘要 |
A method of providing price information of goods includes maintaining a database recording user information associated with a user, a product identifier, and desired price information, the user information including a user identifier and a mobile phone number or an electronic mail address associated with the user identifier. The method further includes receiving a selection of a product and desired price information for the product from the user, and recording the product identifier and the desired price information of the product in the database, in association with the user information of the user. The method further includes receiving selling price information of the product associated with the product identifier from at least one seller, and notifying the user of predetermined information when the received selling price satisfies a predetermined criterion.
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