Thought this might be interesting for NBARC folks -
Andy Carvin @acarvin [1] presented this at TEDxNYED (2010) - The New Volunteers: Social Media, Disaster Response And You
http://www.youtube.com/watch?v=q-HxS2ThvKo [2]
Links
[1] http://twitter.com/acarvin
[2] http://www.youtube.com/watch?v=q-HxS2ThvKo
[3] http://www.ve3nbc.ca/forum/142