A set of methods of scientific and technical marketing based on the use of social networks is presented, which provides a solution to the problems of establishing connections between the profiles of subjects-creators and subjects-consumers of scientific and technical content; filtering scientific and technical content; measuring public attention and influence; ranking manufacturers and scientific and technical content with the formation of recommendations to consumers; thematic targeting of scientific and technical content; collaborative filtering with topic modeling and group recommendation generation. The developed set of methods makes it possible to effectively use the potential of network interaction between group members, defined on the basis of paradigms of communities of scientific, technical and economic entities in the interests of creating and implementing competitive technologies that are in demand by the economy.