| 摘要 |
<p>A commodity sales system (100) includes an advertisement-data creation device that extracts, upon receiving an advertisement transmission request specifying a commodity via the network from a mobile phone (103), advertisement data of the commodity specified by the transmission request from an advertisement database storing therein a commodity, advertisement data of the commodity and privilege information in association, to create advertisement data; a registration device that registers information specifying the mobile phone (103) that transmitted the transmission request, the commodity corresponding to the extracted advertisement data, and the privilege information in a client-information database in association with one another; and a privilege-information extraction device that extracts, when the mobile phone (103) issues a commodity purchase request, a privilege to be offered to the terminal unit (103) that transmitted the commodity purchase request with reference to the client-information database.</p> |
