This research paper critically examines the impact of digital technology on business activity, focusing on the travel and tourism industry. Using TUI Group as a case study, the paper explores the positive and negative effects of digitalization on various aspects of the business, including customer purchase decisions, economic growth, and cost management. The study utilizes a combination of primary and secondary data sources, including surveys and interviews with TUI Group employees, to provide a comprehensive analysis of the topic. The paper concludes by discussing the implications of digital technology for the future of the travel and tourism industry.