Private companies – many based in the US – are blocking access to their websites from particular countries around the world. It's contributing to a splintering of the global internet.
The borderless nature of the internet makes it hard to pull the plug on social media talk that crosses the line.
While they may talk about 'free speech,' businesses make decisions about their content based on a very different set of principles.
Google's secret plan to comply with Chinese censorship laws betrays the values that helped create the tech giant.
A Twitter account used for official purposes is a public forum protected by the First Amendment, a federal appeals court has ruled.
Virtual private networks help citizens around the world evade state surveillance – how long until more governments take action?
Cracking down on extremism online won’t solve the problem of extremist violence, will inevitably censor speech that's important to protect and risks harming political dissidents and democracy itself.
It's a new constitutional question for the internet age: Should the president be allowed to block someone on Twitter?
Comments like 'little girl needs to keep to herself before daddy breaks her face' get a free pass in the name of free speech.
Bots have not just been used in the US, but also in Australia, the UK, Germany, Syria and China. To what extent – and how – are they affecting political discourse?