Abstract: Achieving a sustainable competitive advantage depends on the innovations which are largely dependent on the online marketing that initiates the use of social networks which enable the improvement of long-term relationships of the company and the focus on the particular target group. Their best results are achieved as a result of the creativity and they are ideal medium which does not require huge money investment, but energy, thinking, time and knowledge. The investment in marketing activities in the social network cannot be considered as a simple venture but as a management of several goals: the user should get to know the brand, interaction of the user with the brand and oral transmitting of the message.
The paper focuses on the analysis of social networks and their influence in the direction of promoting two-way, i.e. interactive communication with consumers. On the other side, in the paper answers will be given to the question: “Which of the social networks are the most effective tools for promotion?” The results show that the applications of modern and innovative methods in the field of internet marketing are crucial for distinguishing and creating a competitive advantage.