| 摘要 |
PROBLEM TO BE SOLVED: To obtain a system for easily providing merchandise information as necessary at a low cost. SOLUTION: A server 102 is provided with a advertisement supply means 402 for providing advertisement data 300 in an advertisement database 122 to an advertisement requesting person in accordance with the request from the requesting person. The advertisement requesting person supplies JAN(Japanese Article Number) numerical value information to the advertisement supply means 402 through a requesting person client 106 and, then, requests advertisement data. In this case, JAN numerical information is identifying information which belong to a JAN code. |
