This paper deals with social networks and their impact on today’s business. Terms business environment and its impact, Internet as environment, and social networks will be defined, and three examples of doing business with social networks will be presented. Reason for the research is overall presence of Internet and social networks in everyday life and business environment. Development of technologies allowed multiple benefits for companies that help them utilize their potential and strengthen brand name, but also forced them to radical changes. Economy has become dependent on information and those who do not adapt to those changes, will jeopardize their success and market survival. With social networks, business has to be strategically positioned, not only tactically. Ways of doing business as well as customer relationship has significantly changed. It is important to create new marketing and promotion strategies on the social networks to gain loyal customers. Advertisements are present in every corner of the Internet impacting customers subconscious. With low investments, it is possible to access all segments of customers and create quality relationships. Benefits of social networks are higher than disadvantages, and today is hard to find a person that does not use any social networks. Therefore, it is important to understand how social networks function and accept possibility of global, virtual market where we can get closer than ever to customers.