These cases raise a critical question for the First Amendment and the future of social media: whether states can force the platforms to carry content they find hateful or objectionable.

Under a judge's new ruling, much of the federal government is now barred from working with social media companies to address removing any content that might contain "protected free speech."

The Twitter CEO's selective release of internal communications largely corroborate what is already known about the messy business of policing a large social network.

Facebook says former President Donald Trump is locked out of its platform and Instagram until at least Jan. 7, 2023. It will reinstate him only "if the risk to public safety has receded."

The first big test of Facebook's Oversight Board reveals the challenges of checking the power and scale of the social media giant.

While the panel upheld Facebook's suspension of the former president, it said the company's indefinite ban was wrong and gave Facebook six months to either ban Trump permanently or reinstate him.

Apple suspended the platform from its app store in the wake of the Capitol riots, citing inadequate content moderation practices. Parler says it will relaunch next week with "several new safeguards."

The panel of experts tasked with reviewing Facebook's most difficult content decisions has issued its first rulings, dealing with hate speech, nudity and COVID-19 misinformation.

The social network says hate speech accounts for a tiny fraction of the posts people see. It's relying on automated systems to catch it, but is under pressure to do better.

The social network largely outsources its content review jobs. Workers say they are now under pressure to return to the office despite the pandemic.

Facebook, Twitter, YouTube and TikTok have stepped up efforts to curb the spread of misinformation about the election, but researchers say falsehoods thrive nearly unchecked on live videos.