5th Generation (5G) technology has been regarded as a critically important supporting technology for industrial evolution. This book begins by tracing the development of 5G mobile communication, including the characteristics and limitations of different editions.It then covers the technical characteristics of 5G and its possible potential applications in every aspect of our lives, as well as projections of lives after 5G.Further to the technical introduction, the authors also look into the social domination of 5G technology and its implications.