In the modern world, where technology and the internet have defined every sphere of our life, traditional communication models have changed and evolved. The growing popularity of the internet and social media has created new, unique forms that often differ from ordinary everyday communication. Electronic discourse is a new form of communication that not only allows users to connect easily and quickly but also creates and develops new linguistic norms. Online communication encompasses diverse platforms, each creating its own unique internet language where users actively employ new linguistic units. In this new reality, among other elements, the significant role of emoji as visual elements becomes apparent. These small symbols help us convey emotions, moods, and context. Emoji fill the emotional vacuum that often accompanies written communication. This article examines the phenomenon of emoji and their impact on modern digital communication. The paper reviews the history of emoji origins, their universal characteristics, and various aspects of their usage. The work discusses both the advantages and disadvantages of using emoji. The central part of the research is dedicated to detailed classification of emoji in YouTube video comments. The analysis of presented Georgian and English examples emphasizes the important role of emoji in online interactions and their ability to enrich online textual communication with emotional nuances. In conclusion, the growing importance of emoji in the digital age and their role in simplifying and diversifying communication is emphasized. Despite the difficulties in understanding emoji and the associated risks of their use, emoji remain a powerful tool in modern online communication, especially on social media platforms.