This book introduces gamification, its techniques, technologies, and various applications. The first section of the book provides an introduction to gamification, game elements, and game design techniques. The second section covers game mechanics, game dynamics, and illustrates gamification in the context of virtual economy. The third section discusses how wearable devices and systems, augmented reality, virtual currencies, big data intelligence and AI, and cloud computing enhance the gamification experience. The fourth section covers applications for gamification in entertainment, healthcare, retail, education, and software development. The last concluding section discusses the developmental trends of gamification in technology and business.