This report analyzes the role of information technology in Marriott International, a global hospitality leader. It explores how IT facilitates business expansion, enhances customer experience, and boosts productivity. The report also delves into ethical and social issues related to IT in the hospitality industry, including data privacy, cybercrime, and the use of illegal immigrants. Finally, it analyzes different types of networking technologies used by Marriott, such as PAN, WAN, and MAN, and their impact on business operations.