00576cam a2200121 a 4500020002400000082001600024100002000040245007800060260003200138300002700170500002100197650023600218  a9781433109362 (pbk)00a302.23bMAC1 aMacnamara, Jim.14aThe 21st century media (r)evolution b: emergent communication practices   aNew York bPeter Langc2010  avii, 408 p. c; 23 cm.  aIncluding Index. 0aMass media-Technologies innovationsaCommunication-Technological innovationsvMedia languagevMedia baronsvSocial dividevSocial capitalvTechnological determinismvCommunication networksvFuture of communityvEngaging youthvRIMS