The HOTEL Yearbook Technology 2024 delves into the transformative power of data in the hospitality industry, exploring how the "everything-data decade" is reshaping the landscape. This year's edition emphasizes the surge of data-focused innovations and products with open architectures for seamless data exchange and micro-applications embedded in diverse tech stacks. As data, often dubbed "the new oil", becomes pivotal for hotels to refine brand identities and the struggle to offer hyper-personalized services, it also plays a critical role in managing labor and energy resources efficiently. The publication provides essential insights and recommendations into harnessing data for superior service delivery, agile resource optimization, robust data security, and crafting extraordinary guest  experiences.