The document describes a study that will analyze social media usage data from students in different test groups using Blogger, Ning, and Facebook. Variables like linguistic expressions, non-linguistic expressions, instances of correct language use, and expression counts for different time periods will be coded from the data. Literature on conversation analysis and its application to learner language data is also summarized, including works discussing social aspects of computer-mediated communication, contributions of online interaction to language skills, and use of paralinguistic features and modals in online conversations.