A Labour MP says some established social media sites 'don't give a damn what public think' about extremist and violent uploads.
Social media regulation debate
A US senator asks Facebook and Twitter's chief executives under oath if their platforms are addictive.
By Chris Fox
By Sarah Lee
By Sophia Smith Galer
BBC World Service
Both Trump and Biden want to take away the US law that protects platforms from being liable for what their users post.
TikTok: Viral video of murder victims stays up, despite family’s request
By Joe Tidy
An advertising boycott wants Facebook to do more about hate speech and misinformation.
By Angus Crawford
By Reality Check team