"Troy Davis' execution and the limits of Twitter"

Yes, social media has changed the face of activism. I do not think it is a substitute for letter writing, phone calls, or protest but I do think it allows people all over the world to hear about issues and feel as if they could be a part of it. People not just in Georgia or America are thinking about Troy Davis, but people in Latin America, Europe, and Asia are asking questions. It has caused a line of communication to open that might not have otherwise been there. I can also see that it has created levels of arguments that reach beyond just the American south. People on Twitter and Facebook were not just discussing Troy Davis, they were having a dialogue about the dealth penalty, the justice system, etc. Seeing as though this article was written by BBC I think social media does its job... http://www.bbc.co.uk/news/magazine-15028665