Аннотация:In the course of the study, three databases were formed based on the Russian-language, German-language and American-English-language segments of the Internet, common among young users, and the term “memetics” was introduced, which includes various thematic structural-systemic and semantic features of the phenomenon of “meme” and “meme-communication”. National memetics has its own features regarding the process of thematic selection, means of code and/or polycode methods of information transmission. The main research method is the hermeneutic approach. The concept of "toxicity" makes it possible to identify various ways, in which Internet users can be negatively affected.