https://www.cnbc.com/2017/08/24/facebook-removes-1-million-accounts-every-day-security-chief-says.html

Facebook turns off more than 1 million accounts a day as it struggles to keep spam, fraud and hate speech off its platform, its chief security officer says.

Still, the sheer number of interactions among its 2 billion global users mean it can't catch all "threat actors," and it sometimes removes text posts and videos that it later finds didn't break Facebook rules, says Alex Stamos.