| 摘要 |
PURPOSE: A serial number advertising method using an electronic book and a device for the same are provided to expose an advertisement before a user reads each article of the electronic book, thereby improving recognition of the exposed advertisement. CONSTITUTION: A server computer(400) differentially calculates each advertising cost. The server computer offers differentially applied advertising cost information to advertiser computers(200). The server computer offers a list of each electronic book of which searching is requested to user computers(300). If reading about a specific electronic book is requested, article contents are consecutively outputted to the user computers. |
