The article shows the role of social media in all business activity. The author shows the importance of new technologies and social media in the sense of global reachness and connectness which gives possibility to get to know consumer needs better than ever before. Social media transformed marketing. Companies are more careful with commercials mainly in anticipating consumer response and avoiding unanticipated blunders to prevent a viral client backlash in networking sites. Social media are showed as helpful tool in business development.