Includes bibliographical references and index.

Machine generated contents note: -- Introduction -- PART I: THE WIDER ECOLOGY OF LANGUAGE LEARNING WITH SNSS -- 1. An Ecological Analysis of Social Networking Site-Mediated Identity Development; Jonathon Reinhardt And Hsin-I Chen -- 2. Architecture Students' Appropriation of Avatars -- Relationships Between Avatar Identity and L2 Verbal Participation and Interaction; Ciara Wigham and Thierry Chanier -- 3. Online Reading Groups and Network Dynamics; Chris Lima and Marie-No;lle Lamy -- PART II: PEDAGOGIES AND PRACTITIONERS -- 4. Bridging Design and Language Interaction and Reuse in Livemocha's Culture Space; Katerina Zourou, Mathieu Loiseau -- 5. Profiles in Online Communities; Richard Harrison -- 6. It's Not Just the Tool; Carolin Fuchs and Bill Snyder -- PART III: LEARNING BENEFITS AND CHALLENGES -- 7. A Study of the Use of Social Network Sites for Language Learning by University ESL Students; Liu, M., Evans, M., Horwitz, E. K., Lee, S., Mccrory, M., Park, J.-B., and Parrish, C. -- 8. On-Line and Off-Site; Meei-Ling Liaw And Kathryn English -- 9. Formative Assessment within Social Network Sites for Language Learning; Paul Gruba and Cameron Clark -- PART IV -- 10. Social Media-Based Language Learning; Marie-No;lle Lamy and Fran;ois Mangenot -- References.