The document discusses research on how people used Facebook to discuss the 2009 earthquake in L'Aquila, Italy that killed over 280 people. It analyzed over 21,000 Facebook posts from the first 5 groups created about the earthquake. The analysis found 9 types of narratives, including requests for help, expressions of empathy, and personal stories. Interviews with 25 Facebook users found they joined groups after invitations from friends or searches, and posted to share feelings of solidarity, memories, or promote initiatives. The researcher proposes a model of 4 functions served by Facebook in the aftermath: (1) therapeutic for personal expression, (2) socio-affective for empathy, (3) pragmatic for coordination, and (4) memorial for re