To urge a system user to positively introduce an artist, etc., to others by giving privilege to the user.

This system is equipped with a server device 10 which stores pieces of contents data and also stores point data by users, an introduction- source terminal device 30 which generates introduction data on the contents data stored in the server device 10 and sends the data to the server device 10, and an introduction-destination terminal device 30 which receives the introduction data from the introduction-destination terminal 30 through the server device 10 and also receives the contents data introduced with the introduction data sent from the server device 10 at an access request. The server device 10 adds points to the user who has introduced the contents data when sending the contents data introduced with the introduction data to the introduction- destination terminal device 30 at a request from the introduction-destination terminal device 30.