| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide the recycle promotion method for books for transmitting an electronic mail to promote the selling of books in great demand in a book recycle market. <P>SOLUTION: In this recycle promotion method, the purchase information of a book concerning a customer and the mail address of a terminal 20 owned by the customer are preliminarily registered, and the current buying price of the book is calculated based on the current selling information of the book registered in the purchase information, and an electronic mail including the buying price and a message to promote the selling of the book is transmitted to a terminal 20 of the mail address corresponding to the purchase information of the books. <P>COPYRIGHT: (C)2003,JPO |
