This research paper investigates the impact of social networking sites on the hospitality and tourism industries. A social networking site is a type of social media that provides a platform for people to connect with each other. Social networking is so versatile that it can be used for both leisure and business purposes. In the hospitality and tourism industry, social networking sites are one of the essential tools that play an important and beneficial role. Content on social networking sites could affect the marketing in both positive and negative ways. The topic that will be discussed in this research paper are consumer behavior, connection with consumers, effectiveness in terms of time and cost, creating brand awareness and building the image of the company, promoting company, targeting consumers, and finally, the disadvantages.