A system and method is disclosed for rewarding subscribed users who invite other users to a business establishment. On receiving an indication that a subscribed user of a social group is at a business establishment, a message is sent to a plurality of users of the social group announcing that the user is at the business establishment. On receiving one or more signals, within a predetermined period, that one or more of the plurality of users entered into a purchase transaction with the business establishment, an offering is sent to the subscribed user.