Changes in the historical, social situation cause qualitative mental, psychophysiological and personal changes in modern children. The article discusses the socio-psychological features of the development of modern children, the emphasis is placed on the features of the development of adolescents. The data reflecting the state of physical and mental health of children are given. The features of the social situation of the development of modern adolescents are highlighted. Both positive and negative consequences of the influence of computer technologies, the Internet, social networks on the intellectual, emotional and personal development of the child are considered. The results of empirical studies of “virtual autism”, media tasking, and the attitude of students to school are presented.