Abstract: Methods, systems, and devices are disclosed for providing online marketing using social networks. In one aspect, a computer system facilitates operations by administrators representing an entity and subscribers affiliated with the entity and registered to one or more social networks via social media sites that link a subscriber with individuals within the social network. The system is configured to receive (i) content information generated by an administrator, (ii) user information about the subscribers, and (iii) authorization by the subscribers permitting access to their social media site accounts designated by the respective subscribers. The system is configured to produce an individualized message capable of being displayed to the individuals of the subscribers' authorized social networks on behalf of each unique subscriber, in which the individualized message includes the content information and virtual content tag(s) that corresponds to the user information of the corresponding subscriber.