In 399 BC, Greek philosopher, Socrates, while defying attempts by the Athenian state to censor his philosophical … See more

Censorship has been criticized throughout history for being unfair and hindering progress. In a 1997 essay on Internet censorship, social commentator Michael Landier explains that censorship is counterpro… See more

In wartime, explicit censorship is carried out with the intent of preventing the release of information that might be useful to an enemy. Typically it involves keeping times or locations secret, or delaying the release of informati… See more

Book censorship can be enacted at the national or sub-national level, and can carry legal penalties for their infraction. Books may also be challenged at a local, community level. As a result, books can be removed fr… See more

Surveillance and censorship are different. Surveillance can be performed without censorship, but it is harder to engage in censorship without some form of surveillance. Even when surveillance does not lead dir… See more

The former Soviet Union maintained a particularly extensive program of state-imposed censorship. The main organ for official censorship in the Soviet Union was the Chief Agency for Protection of Military and State … See more

Censorship for individual countries is measured by Freedom House (FH) Freedom of the Press report, Reporters Without Borders (RWB) Press freedom index and V-Dem government censorship effort index… See more