In this book has been integrated a new branch called The Cyberpsychology, in which studies how it has been produced a change with regard to technology person, to analyze as affecting the new insights for people in daily life, as well as the mental health of users. And all this is guaranteed by the most extensive bibliography about the last investigations carried out in this area. The Social Media, internet and to all these technological advances have changed the way of looking at the world in recent years, a radical change in many cases, a fact that cannot be left unnoticed to the Psychology, the science of human behavior. First, with the invention of tools such as the hatchet and the needle, and subsequently, the machines such as cars and computers, have revolutionized the ways to be connected with oneself and with others. To talk to a relative or friend, just go to the website by Skype, and that the other person is available, no matter where they are. With many technological advances that have happened over the last decades, due to which it has forced to people, within technology, to adapt to it and, in this way, to take advantage of it. Technological changes as well as the new insights affecting people in daily life, and also the mental health of users. And all this is guaranteed by the most extensive bibliography about the last investigations carried out in this area.