By Christopher Mims, Technology Review
A recent study on the use of Twitter during natural disasters neatly illustrates the paradox of conversational micro-blogging. The majority of information that was retweeted during the 2009 record flooding of the Red River in North Dakota was news — as in, information that did not already exist on Twitter or even the web. But a great deal of the utility of the service is demonstrated not by this new information, which constituted less than 10% of tweets culled from a representative sample of Twitter accounts during the disaster, but the derivative and synthetic tweets that followed in the wake of these original tweets.
http://www.technologyreview.com/blog/guest/25334/
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