China leaders have regularly blocked Internet sites and blacked out TV networks. Click through to see a few high-profile topics that have provoked censorship.
1: The beginning: regulations China began Internet censorship with regulations, codified a year later, that have broad categories under which sites could be blocked. Visitors wait to take a turn surfing the Internet at an international computer exhibition in Beijing in 1996. The following are a few examples of censorship: Greg Baker/AP Buy Photo