Many higher education institutions around the world are increasingly motivated to incorporate social media for pedagogical benefit. At the same time, many institutions are also attracting an ever-growing number of students from overseas countries. With this in mind, researching how the use of social media applications impact on international students' experiences of new cultural and pedagogical contexts in the host country is relevant. This article is a systematic review of current literature on international students in higher education and their use of social media, focusing on both the personal and educational aspects of use. This analysis reveals three central themes related to the role of social web technologies for international students, that is creating bridges, boundaries, or hybrid spaces.