“…The Web2.0 environment is making mass collaboration easier. The use of Social Networking Sites (SNS) shows considerable promise for more efficient and effective communications in the emergency field (White, Turoff and Van de Walle, 2007a; White, Plotnick, Turoff and Hiltz, 2007b; Benbunan-Fich and Koufaris, 2007; White, Plotnick, Aadams-Moring, Turoff and Hiltz, 2008a; White Hiltz and Turoff, 2008b;Turoff, Hiltz, White, Plotnick, Hendela, and Xiang, 2008). Garton, Haythornthwaite, and Wellman (1997) describe a social network as "a set of people (or organizations or other social entities) connected by a set of social relationships, such as friendship, co-working or information exchange" (Garton, et al, 1997, p.2).…”