After Quake and Tsunami, Japanese Citizens Flock to Social Networks for Information

http://mediadecoder.blogs.nytimes.com/2011/03/13/after-quake-and-tsunami-japanese-citizens-flock-to-social-networks-for-information/?scp=2&sq=japan%20twitter%20&st=cse

Article above mentions how social network websites could be useful and necessary in era of national crisis, especially when phone services are limited.