“…As a result a variety of philosophies, theories and methodologies have been engaged and a diverse range of foci have emerged. Exemplar themes of research include: identity work (boyd 2006, Kendall 2007, Liu 2007b, Livingstone 2008, boyd 2012friending (boyd 2004, boyd 2006, Donath 2007b, Joinson 2008; potential for social capital and relational development (Ellison et al 2006, Donath 2007b, Ellison et al 2011; privacy and surveillance (Gross and Acquisti 2005, Ahern et al 2007b, Donath 2007b, Lange 2007, boyd 2008d, Livingstone 2008, Tufekcki 2008, Debatin et al 2009; work (DiMicco and David 2007, Clark and Roberts 2010, Smith and Kidder 2010, Brown and Vaughn 2011, Kaupins and Park 2011; celebrity and fandom (Baym 2007, Hutchins and Mikosza 2010, Marwick and boyd 2011b; race (Hargittai 2007b, Barker and Ota 2011, boyd 2012, Hargittai 2012; class (boyd 2012); gender and sexuality (Hargittai 2007b, Light 2007, Jernigan and Mistree 2009, Mowlabocus 2010, Cassidy 2013, Light 2013; and non-users (Hargittai 2007b…”