This book provides an accessible introduction to some of the methods and theoretical approaches for investigating foreign language (FL) interaction and exchange in online environments. Research approaches which can be applied to Computer-Mediated Communication (CMC) are outlined, followed by discussion of the way in which tools and techniques for data-collection in diverse online contexts can contribute to our understanding of online foreign language interaction. The compilation of chapters presents a comprehensive overview of key issues in virtual, intercultural and multimodal research...