TY - CHAP T1 - Chapter 2 Social Network Sites T2 - Advances in Computers UR - https://doi.org/10.1016/s0065-2458(09)01002-x PY - 2009/01/01 AU - Thelwall M ED - DO - DOI: 10.1016/s0065-2458(09)01002-x PB - Elsevier SP - 19 EP - 73 Y2 - 2025/06/27 ER -