The book "Ubiquitous Convergence Technology" offers a comprehensive analysis of developments in the field of ubiquitous computing and its impact on various aspects of life. It highlights how everyday objects with embedded computing capabilities are increasingly becoming part of our lives and the changes this brings to our thinking and quality of life. The authors Jong-Suk Chae, Frank Stajano, Hyoung Joong Kim, and Seong-Don Kim discuss the evolution from isolated smart objects to interconnected systems and the necessary infrastructure that supports these technologies. The book provides a systems-oriented approach that considers both the technologies and their applications in areas such as healthcare, communication, entertainment, and more. It is a valuable resource for professionals and students who wish to engage with the challenges and opportunities of ubiquitous computing.