Abstract. This study examines code-switching in digital and social media discourse as a dynamic sociolinguistic phenomenon. It explores the characteristics of online communication, including hybridity, interactivity, and multimodality, and analyzes how these factors influence language choice in multilingual environments. The paper highlights the role of code-switching in identity construction, pragmatic expression, and global communication. It also reviews previous research and emphasizes the growing normalization of mixed-language practices in contemporary digital interactions.