Social networks are defined as a service that provides an opportunity for its users to create and develop relationships based on common interests. Today, social networks are the initiators of change and pioneers of new ways and strategies for organizing business. Employers use social networks to promote the culture of the organization and its products, for market research, to sell products, communicate with consumers or partners and to recruit and select employees. The primary goal of this research paper is to explain the segments of business on social networks, and to compare the theory with the practice on the example of PepsiCo's business practice. The theoretical basis of the paper includes detailed explanations of the effectiveness of social networks (Facebook, Instagram, LinkedIn and MojPosao). The research part includes the breakdown of PepsiCo's business according to the segments explained in the theoretical part of the research. Each segment of the organization's business encompasses the same amount of importance, and to the same extent, they depend on each other. New trends require active use of social networks and lifelong learning of the organization. Employees must be trained and educated to strengthen competitive advantage on the market, speed of development and to follow the changing trends and technology development. Social networks have become a powerful business tool with which the organization must adequately and efficiently manage. The risks and consequences of bad business management on social networks can ruin an organization. The success and security of the organization requires knowledge, ambition, skill, capability, and activity of the entire organization – from executive to operational management. The organization in its business managing on social networks must be appealing, unique and original, and that determines the intensity of exploitation of the opportunities provided and the business strategy