The provision of high-quality and reliable customer service around the clock is essential to any business today regardless of size or location. The rapid technological advancements in the Internet, computing and artificial intelligence, and humanoid robotics have pushed the edge of research, innovation, and development of smart technologies such as chatbots. This book offers comprehensive and up-to-date information about chatbots, including basic principles, applications, and future technological trends. It is an excellent reference for any businessperson and decision-maker, as well as scholars, researchers, and developers in business, academia, government, and computing and information technology.