SNIPPET: "In July, the British government warned that Al Qaeda’s exploitation of social networking websites is on the rise." SNIPPET: "The massive and multifarious network of websites and social media has presented a challenge to authorities in trying to combat it. Additionally, civil liberty concerns have conflicted with government efforts to spy on communications. Reducing terrorist activity on social media sites has been particularly difficult because users have adopted new forms of communication to conform with the new formats. Many Arabic speakers on Facebook, Twitter, MySpace and other sites use Arabizi, a form of colloquial Arabic written in the Latin...