Book excerpt: Corpus Linguistics for Online Communication provides an instructive and practical guide to conducting research using methods in corpus linguistics in studies of various forms of online communication. Offering practical exercises and drawing on original data taken from online interactions, this book: introduces the basics of corpus linguistics, including what is involved in designing and building a corpus; reviews cutting-edge studies of online communication using corpus linguistics, foregrounding different analytical components to facilitate studies in professional discourse, online learning, public understanding of health issues and dating apps; showcases both freely-available corpora and the innovative tools that students and researchers can access to carry out their own research. Corpus Linguistics for Online Communication supports researchers and students in generating high quality, applied research and is essential reading for those studying and researching in this area.