Active development of the Internet communication and the expansion of technical capaсities caused the transformation of existing genres and determined the emergence of new ones. The article discusses the features of the implementation of the speech genre “memoirs” in the social network Instagram. The hashtag #воспоминание was chosen as the criterion for collecting entries, since, in our opinion, users can use this hashtag to mark the genre of a post. The aim of the work is to establish how genre characteristics of memoirs are reflected in the polycode space.