主权项 |
1. A system comprising:
a processor of a machine; a social analysis module configured to access a social graph for each user of a group of users, the social graph representing social network connections of the group of users, the social analysis module further configured to calculate, using the processor of the machine, a social impact rating for each user of the group of users based in part on the social graph of each user; a targeting module configured to select a referrer user from the group of users based on the social impact ratings; and a messaging module configured to generate a referral request including a custom referral offer for the referrer user, the custom referral offer including a reward issuable to the referrer user in exchange for referring a new user to a network-based service, the messaging module further configured to transmit the referral request to a client device of the referrer user. |