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Social Media Acts As Catalyst For Policy Change

Websites like Facebook and Twitter played an integral role in last year's Arab Spring uprisings. But they've also brought about change right here at home. Audie Cornish talks to Clay Shirky, a professor of New Media at New York University, about how social media has fueled policy changes from Bank of America to Verizon, and the most recent backlash with the breast cancer charity Susan G. Komen for the Cure.