METHOD FOR PROVIDING DISTRIBUTION CONTENTS INCLUDING ADVERTISEMENT EMPLOYING PEER-TO-PEER NETWORK, AND ITS MANAGEMENT SERVER, AND USER TERMINAL

摘要

PROBLEM TO BE SOLVED: To provide a method for providing distribution contents that prevents only contents separated from advertisement information from being distributed while protecting the copyright and obtains many advertisement contents providers. SOLUTION: Part of advertisement contents is defined as a decoding key in the case of browsing the contents body, the contents main body including the advertisement contents are encrypted and distributed by using the Web or a peer-to-peer network 10 so as to place a limitation to browsing of the contents in a way that the contents body cannot be available without using the decoding key (information intermediation server 11). Furthermore, users are analyzed based on information of the users received at their advertisement contents browsing (marketing information analysis section), and the result of analysis is fed back to advertisement contents providers so that sponsors and the contents providers can obtain the utilization state of the users as important marketing information.