| 摘要 |
<p>A service expanding system for expanding the types of services provided to users by existing service providing systems without burdening the existing service providing systems. The service expanding system includes an SNS server (3) for sending utilization information including the sender and the sending time to a user terminal (2) in response to a request by the user terminal (2) permitted to make an access, an expansion providing system (4) for acquiring the utilization information including the sender information and the sending time from the user terminal (2), checking by using the acquired sender information and the sending time that the sender and the user terminal (2) are permitted to make an access to the SNS server (3), and starting to provide an expansion service to the user terminal (2) after the check, and the user terminal(2) which, while being permitted to make an access to the SNS server (3), requires the SNS server (3) to send the utilization information in response to the operation by the user, transfers the utilization information to the expansion providing system (4) on acquiring the utilization information, and carries out output corresponding to the expansion service provided by the expansion providing system (4).</p> |
