This document discusses how activism changed after 9/11 in the United States. It notes that dissent became more risky due to laws like the Patriot Act and a climate of fear. The internet provided new opportunities for anonymous and free expression of oppositional views online, but there were also privacy and surveillance concerns. Examples from Egypt, China, and Burma show how online protests can spread awareness and sometimes lead to real-world action, though governments also try to restrict internet access during unrest.