ADVERTISEMENT DISTRIBUTION SYSTEM, CONTENTS REGISTRATION MANAGEMENT SYSTEM, ADVERTISEMENT DISTRIBUTION MANAGEMENT SYSTEM, CONTENTS PROVISION SIDE SYSTEM, USER TERMINAL, ADVERTISEMENT DISTRIBUTION SIDE SYSTEM, CONTENTS REPRODUCING PROGRAM, STORAGE MEDIUM, AND ADDITIONAL INFORMATION DISTRIBUTION METHOD

摘要

PROBLEM TO BE SOLVED: To aggressively and commercially use properties of an explosively propagating medium as advertisement business. SOLUTION: An advertisement distribution system is provided with a contents provision side system 30 which adds a contents ID as an identifier to each contents to provide contents for a user terminal 50, the user terminal 50 which acquires contents from the contents provision side system 30 through a network and recognizes the contents ID added to the acquired contents to send in onto the network, a sponsor side system 70 which distributes a prescribed advertisement to the user terminal 50 through the network on the basis of the contents ID to be sent, and a proxy server side system 10 which manages the contents ID added to contents and sends a trigger of advertisement distribution to the sponsor system side 70 which distributes and advertisement on the basis of the contents ID.