A look at how Syria censors the internet

http://www.technologyreview.com/view/525076/syrian-web-censorship-techniques-revealed/
The conflict in Syria has led to internet blackouts, but this article reveals the more pernicious censorship that’s ongoing. Most content gets through, but a focus on blocking instant messaging and scouring social networks for certain key words means that citizens are censored in their day-to-day web surfing.