The digital age has brought with it a series of challenges for the human mind. Constant exposure to information, 24/7 connectivity , and ease of access to entertainment can lead to increased stress, anxiety, and depression. In this book, we will explore how the principles of positive thinking and self-control can be applied in the digital age to help people overcome these challenges. We will take as a basis the work Smarter than the Devil, by Napoleon Hill, one of the greatest experts on success and personal development of the 20th century.