| 摘要 |
A product information providing server including additional information and product displaying information about product information provided from a smart card is provided to allow a user to purchase the product in a crowd shop by confirming the user of additional information about the product, outputted from a cart, and the product displaying information. A receiving unit receives product information from a cart(145) within a shop. An extracting unit extracts displaying location information about the received product information or the additional information from database. A transmitting unit transmits the displaying location information or the additional information from the cart. The additional information includes one of product discount information, coupon information, event information, sale price information, and the product details information. |
