Changes are happening today at an exceptionally high speed and are visible at every step. One of the changes that has fundamentally changed the lives of people is the invention of the Internet in 1969. The Internet has changed the way of communication, the way of searching and getting to informations, the way of sharing information and content, and the way of business operations. Internet has enabled businesses to switch from a traditional business models to modern business models, involving the use of various services and programs which have emerged with the development of the Internet. With development of the Internet came a development of social networks that make it possible to quickly and easily connect individuals all over the world. The most popular social networks today are: Facebook, Twitter, Instagram, YouTube, Google+, LinkedIn, Pinterest and Snapchat. Social networks have greatly accelerated and facilitated business operations and business communication between companies and consumers and business partners. Through their official social networking profiles companies are communicating with the public about their business, products and services and their activities in a creative, inexpensive and fast way. Today, there aren't any companies that don't use social networks in its business to communicate with consumers and business partners. Some of the world's well-known and successful companies that communicate through social networks on a daily basis are McDonald's, IKEA and Coca Cola.