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A picture taken on October 22, 2012 in Rennes, western France, shows the screen of a blackberry phone featuring a page of the micro-blogging site Twitter.
Around the world, people are watching Hurricane Sandy on TV, listening to coverage on the radio, but for many, social media has been the best way to keep up to date with the storm and those affected by it.
FEMA sent out a tweet to its 157,000 followers urging those in the storm's path to use texts and social media instead of phone lines to let friends and family know they're okay.
For more on how sites like Twitter, Instagram and Facebook have been used during the storm, we're joined by Brian Stelter, media reporter with the New York Times.