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?