00362nam a2200145Ia 4500008004100000020001800041041000800059082001500067100001400082245004800096260002000144300000800164365001700172700002700189230718s9999    xx            000 0 und d  a9780262017190  aeng  a004.6bRAI  aRainie L.  aNetworkedbThe New Social Operating Systems  c2012bMIT Press  a358  cRs.b1725.00  aRainie L. & Wellman B.