| 摘要 |
A computer-implemented method, system, apparatus, and media directed to improving user activity for an entity. A social group comprised of members is established and each member of the social group is provided with a game item that includes a unique identifier for participation in a promotion, wherein each provided member has a chance to win a first benefit based on the unique identifier. The unique identifier is associated with the promotion, the social group, and an associated participating member of the social group that participates in the promotion. A second benefit is provided to all participating members of the social group when at least one member of the social group wins the first benefit as an incentive for the members of the social group to participate in the promotion.
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