| 摘要 |
PROBLEM TO BE SOLVED: To enable a general individual or proprietor regardless of a specified or unspecified one to easily utilize an electronic bulletin board. SOLUTION: Communication terminals 11, etc., owned by an individual or a proprietor who wants to utilize the electronic bulletin board acquires transaction information and requests desired transaction information, an electric commerce controlling device 21 owned by an electric commerce dealer 20 and also connected to the communication terminals 11 through the internet 100 opens an electric commerce marker of an electronic bulletin board, furthermore, a voluntary resale controlling device 22 independently generates resale transaction information and registers the resale transaction information in the controlling device 21, a display device 311 owned by a display device management dealer 30 and also connected to the controlling devices 21 and 22 through a network 300 displays the transaction information, and moreover, a display managing device 312 manages the display of the display device 311. |
