| 摘要 |
PROBLEM TO BE SOLVED: To provide a commercial transaction method or the like, with which the purchaser of an article can efficiently find the desired article out of a catalog, convenience in the preservation or the like of the catalog is improved, further, the communication cost can be suppressed and it is not necessary to (periodically) perform access through the Internet by a personal computer or the like by the purchaser himself/herself. SOLUTION: Even when there are massive catalog data provided from the sales dealer of articles, by providing these data while utilizing data broadcasting at a high transmission velocity, the communication costs can be suppressed for a consumer. Further, by utilizing (pushing) data broadcasting, it is not necessary to (periodically perform access (pull) through the Internet by the personal computer or the like by the consumer himself/herself. |
