The article investigates how social networking platforms contribute to the transformation of linguistic style in the modern era. It argues that online interaction creates a distinctive register that differs from both oral and written communication. This register is marked by innovative vocabulary, unconventional stylistic strategies, and the integration of multimodal resources. Particular attention is given to the influence of platform design, such as the brevity imposed by X (formerly Twitter), the visual orientation of Instagram, and the performative dimension of TikTok. The study also explores how sociocultural variables—age, identity, and community membership—affect the spread of new linguistic practices. Finally, the global implications of digital communication are addressed, including the worldwide diffusion of English terms and the local adaptation of memes. The paper concludes that social media function simultaneously as spaces of experimentation and as channels of rapid dissemination, leading to a flexible and fluid linguistic style that mirrors contemporary communicative realities.

Social networks, digital language, multimodal discourse, hybrid register, sociolinguistic variation, internet communication, stylistic change, globalization of language.

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