| 摘要 |
PURPOSE: A social network service (SNS) system interworking with a phone number is provided to reflect offline relationship to an SNS by using a phone number list, extract a homogeneous group from the phone number list, and perform marketing for the extracted group. CONSTITUTION: An advertiser server (16) provides an advertisement to a customer received from an SNS system server (12). One or more user terminals (11) are connected to the SNS system server through a network. The SNS system server receives the phone number list of the user terminal from a user, and stores a recommended friend list in a recommended friend list database (DB) (15). The SNS system server provides the advertiser server with the list of a group, extracted from the recommended friend list DB, as an advertisement target group in response to the advertisement target group setting request of the advertiser server. |
