One of the big technology companies has taken down content posted by the conspiracy theorists QAnon.
But for years, big tech has been accused of turning a blind eye to the group that was born in a US chatroom.
QAnon claimed President Trump was battling an elite of Satan-worshipping paedophiles.
It’s far-fetched, but the QAnon movement has amassed hundreds of thousands of followers, and was last year identified by the FBI as a potential domestic terror threat.
Today, Facebook has pledged to remove all QAnon-themed groups, pages and accounts.
We spoke to Imran Ahmed, from the Center for Countering Digital Hate.