00430nam a22001217a 4500008004100000020001800041082001700059245009800076260004000174300002000214500003000234650004400264211122b        xxu||||| |||| 00| 0 eng d  a9780230229280  223a303.483300aVirtual social networks : bmediated, massive and multiplayer sites/cedited by Niki Panteli   aLondon bPalgrave Macmillan cc2009  axvii,196p.bill  aIncludes Acknowledgement   2Online social networksaVirtual reality