This article examines the dialectic relationships between mediaculture and social myth as the two systems of communication which strongly influence social consciousness and the processes of individual development. Major part of the research deals with the XX-XXI centuries technologies for production and distribution of political myths, which were/are employed both as an instrument of power and as a factor of psychological manipulation in socio-cultural sphere, by using various media: mass printing, cinema, television, video, multimedia, computer channels, the Internet, etc. Mediaculture specifically, as the phenomenon of information age, by creating distinctive media reality, becomes the framework of the new mythology.