In this photo taken Wednesday, March 7, 2012, people use the Internet at a local cafe in Islamabad, Pakistan. Pakistan wants to install an Internet filtering system capable of blocking 50 million Web pages - and doesn't mind advertising the fact. The plan is alarming free speech activists who fear current censorship could become much more widespread. (AP Photo/B.K. Bangash)

Associated Press
In this photo taken Wednesday, March 7, 2012, people use the Internet at a local cafe in Islamabad, Pakistan. Pakistan wants to install an Internet filtering system capable of blocking 50 million Web pages - and doesn't mind advertising the fact. The plan is alarming free speech activists who fear current censorship could become much more widespread. (AP Photo/B.K. Bangash)
In this photo taken Wednesday, March 7, 2012, people use the Internet at a local cafe in Islamabad, Pakistan. Pakistan wants to install an Internet filtering system capable of blocking 50 million Web pages - and doesn't mind advertising the fact. The plan is alarming free speech activists who fear current censorship could become much more widespread. (AP Photo/B.K. Bangash)
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