| 摘要 |
<p>PROBLEM TO BE SOLVED: To enhance motivation for introducing an application.SOLUTION: When a communication terminal 400-1 requests an invitation code from an administrative server 100 with the use of an application, the administrative server 100 generates and transmits an invitation code unique to the communication terminal which can be used in common in relation to a plurality of applications used for request of the invitation code, the communication terminal 400-1 discloses the transmitted invitation code and application information, and communication terminals 400-2 to 400-4 specifies an invitation code with the use of an application, an administrative system grants the communication terminal 400-1 a privilege according to the number of invitations which is the number of communication terminals specifying the invitation code.</p> |
