This book explores the research on applications for smart cities, education, healthcare, industry and business through the integration of cloud computing, IoT and extended reality. Written by international experts, the book presents current and upcoming trends in smart applications, interfaces and paradigms. The authors discuss real-time utility of cloud based IoT devices and systems, upcoming trends and features of extended reality and IoT, and adapting to the state-of-the-art technologies. The book should give readers an elementary to intermediate level idea of the related technologies, their functioning, and their challenges. The book is geared towards a variety of levels of technical education and research as well as to novices interested in an overview of the applications that cloud computing, cyber-physical systems, IoT, Industrial IoT technologies and extended reality can offer.