Callahan, Colleen M.2010-08-092010-08-092010-06https://hdl.handle.net/11299/92981University of Minnesota M.A. dissertation. June 2010. Major: Mass Communication. Advisor: Giovanna Dell'Orto. 1 computer file (PDF); ii, 83 pages, appendix pages 80-83.Summary abstract not availableen-USPeople and CultureIranian Election ProtestsInternational communityChilean EarthquakeSocial mediaMass CommunicationResponding to crises on Facebook: a case study of the Iranian election protests and the 2010 Chilean earthquake.Thesis or Dissertation