many people credit the clapsz of the mubarak regime to social media. it makes a good sound bite. truth is it's more complicated than that. in fact, social media can be a two-edged sword for crow democracy protesters. the author of "the net delusion" and we spoke with him how governments can turn social media against their opponents. >> one interesting example where a government actually went to social media web sites to learn more about protesters in iran immediately following the big wave of protests there. to identify anyone that they could recognize in the photos. and apparently they arrested,