Last week, Facebook announced that it will start labeling newsworthy content that violates the social media company's policies, and label all posts and ads about voting with links to authoritative information, including those from politicians. A Facebook spokeswoman confirmed Reuters that its new policy would have meant attaching a link on voting information to US President Donald Trump's post last month about mail-in ballots. Rival Twitter had affixed a fact-checking label to that post. Facebook CEO Mark Zuckerberg. Image: Getty. Chief Executive Mark Zuckerberg said in a live-streamed company townhall that Facebook would also ban ads that claim people from groups based on race, religion, sexual orientation or immigration status are a threat to physical safety or health. The policy changes come during a growing ad boycott campaign, called " Stop Hate for Profit ," that was started by several US civil rights groups after the death of George Floyd, to pressur...