Description: The main directions of social networking influence on the customer relationships, specifically the formation of customer loyalty are determined. Details of modeling of social networks and agent-based modeling of information influence of the social networks on customer loyalty are considered. Multiagent model of customer loyalty influenced by the dissemination of information in social networks is built. The trend of the potential customers `changing state in real time within the model is defined by the model.
Keywords: social networks, loyalty, customer, customer relationship management, agent model