The Internet of things is a worldwide network of physical objects using the Internet as a communication network. It is a collection of identifiable things with the ability to communicate over wired or wireless networks. The central concept of the Internet of things is to connect anyone, anything, anytime, anyplace, any service, and any network through the Internet. It is the next stage of information revolution because it deals with inter-connectivity of everything. It may be regarded as the Internet of the future.This book explores the Internet of things (IoT) and its various applications. It is organized into twelve chapters that summarize IoT and its applications. It is a comprehensive introductory text on the issues, ideas, theories, and problems on the Internet of things. It provides an overview on each of its applications so that beginners can understand IoT and its increasing importance and relevance. It is a must-read book for anyone who wants to learn about the Internet of things, which is undoubtedly one of the most important technologies that has emerged in the last decade.