Meta

The founder of the social media giant said one of the sites would cover an area nearly the size of Manhattan.

It was "horrible", "stressful" and "isolating" those affected tell BBC News.

After Meta said some Facebook Groups were wrongly suspended, users tell the BBC the impact it is having - and say it's a wider problem.

Group administrators have reported receiving automated messages which incorrectly say they have violated the rules.

Sam Altman said so far none of his "best people" had jumped ship to his big tech rival.

Meta AI users may be inadvertently making their searches public without realising it.

Journalists and activists say the software is used by authoritarian regimes to spy on them.

The social media giant has challenged demands to pay $290m over regulatory violations.