This paper explores the relationship between social media and gender identity, particularly through the work of Kathleen Stock in her critique of "gender identity ideology". The study begins with an introduction to the problematic nature of social media in the context of feminist philosophy. The first section deals with Stockʼs analysis and criticism of the performative model of "gender identity"and the possible effects of social media on its formation. The second section looks at Stockʼs analysis of how social media can facilitate the transformation from "gender identity" to "gender ideology" in light of the notion of immersion in fantasy, and explores its implications for the standards of knowledge production and freedom of expression in academic life. The third section provides a critical approach to Stockʼs philosophy. The study concludes with a summary of the most important outcomes.