Internet has a very important role in communication. One way of communication trough the Internet is social networking. Social network is a segment that is rapidly expanding on the Internet and is becoming more popular because it is easy to access. The influence of social networking is very large in marketing. Communication is very important in everyday life and business communication in the successful functioning of the organization. Modern technologies have contributed to the changes in the company’s business. By using e-mail, a large amount of people in the short amount of time can be contacted. You must pay attention to the way you speak to your business partners. The conversation should be concise. Business communication is changing and developing at this time of fast-growing social networks and the Internet. A lot of attention is paid to using the Internet marketing. Product or service should be advertised through social networks because it is the way to get to the most people. No other media is that fast in transmitting information. On social networks, people are members of different interest groups that helps company’s determinate what their liking is. This ensures that the product is almost always sold. Digitalization of products and services on the internet is very important in online sales, because the sale of products and services that are not tangible is a lot bigger than those that use Internet only as a distribution channel.