Study: China cybercensors using 'Great Cannon'

China's cybercensors have long used a "Great Firewall" to block its citizens from reading critical articles from Western news websites or consuming other content it disapproves of.

Source CNN.com - World http://rss.cnn.com/~r/rss/cnn_world/~3/ZXSEDkELRn4/index.html