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CAIRO, EGYPT - MAY 27: Facebook graffiti defaced during 'Second Day of Rage ' demonstration on May 27, 2011 in Tahrir Square in downtown Cairo, Egypt. (Photo by Kim Badawi/Getty Images)

CAIRO, EGYPT - MAY 27:  Facebook graffiti defaced during 'Second Day of Rage ' demonstration on May 27, 2011 in Tahrir Square in downtown Cairo, Egypt.  (Photo by Kim Badawi/Getty Images)