Social network sites are dynamic online socio-cultural arenas which give users ample and unprecedented opportunities for self-presentation through the meshing of language with other semiotic modes. With a focus on Facebook, one of the most widely-used online social network sites, this book brings together ideas and concepts related to language online, multimodality, and identity through five topical issues. These include place, time, profession and education, stance-taking, and privacy. The book features a discourse-centred online ethnography that provides authentic verbal and multimodal...