The book "Generation Smartphone" by Hawe Jott offers a comprehensive sociological analysis of the impact of mobile communication on our society in the 21st century. It examines how smartphones influence our relationships, self-image, and thinking, particularly among the youth. The author guides readers through the development of mobile technology and highlights both the positive and negative aspects of smartphone usage. While the book emphasizes the new possibilities for communication and access to information, it also addresses challenges such as addiction, the loss of direct human interaction, and privacy concerns. With practical recommendations and case studies, the work is aimed at parents, teachers, young people, and decision-makers to foster a better understanding of the complex effects of the digital world.