This paper explores the attitudes, conceptions and use of social media in net-based higher education. By using statistical and content analysis of data generated by two surveys directed to students (n = 109) and teachers (n = 77) involved in net-based higher education, we explore how social media influence the design of learning context in net-based higher education courses. By applying the affordance theory, we describe actual as well as preferred use of social media from an educational, social, and technical perspectives. The results showed that the potential use of social media have not yet been fully found in the context of net-based higher education. However, the perceived benefit of using social media differs in relation to educational topics. The potential use of social media in net-based higher education courses is discussed.