TY - CHAP T1 - Chapter 2 Social Network Sites. Users and Uses PY - 2009/05/25 AU - Thelwall M ED - DO - DOI: 10.1016/S0065-2458(09)01002-X SN - 9780123748119 VL - 76 SP - 19 EP - 73 Y2 - 2024/09/19 ER -