Abstract
This riveting book introduces an overall analytical framework and theoretical guideline for all teachers-researchers involved in inspecting the dynamic role of English on social media. It concentrates on Facebook data generated by EFL university students in Mongolia and Japan, and it accommodates a clear delineation in the trans-linguistics turn, while exploring in depth the global spread of authenticity. Structurally, the book comprises nine chapters, and thematically is classified into four parts, and can be viewed from two aspects. The first aspect, thereby, aims to elucidate the connection between English and transnational EFL university students as social media users. The focal point in the second aspect, thereby, is on numerous dynamic claims of authenticity and legitimacy by transnational EFL university students in term of their intricate association with English on social media.