Watch: Backlash against Musk's Grok AI explained

The UK government says X limiting Grok AI image edits to users who pay a monthly fee is "insulting" to victims of misogyny and sexual violence.

It follows backlash after Elon Musk's AI engine digitally changed images of people by undressing them - something it says it now can only do for those who pay a monthly instalment.

The BBC's technology editor Zoe Kleinman explains what's happened and why.