Facebook has published its content filtering numbers for the first time and it’s provided an insight into how its AI is helping to remove the worst of the web. “In the report, you'll see that in the first three months of this year we took down 837 million pieces of spam and disabled 583 million fake accounts,” wrote Facebook CEO Mark Zuckerberg in a post. “Thanks to AI tools we've built, almost all of the spam was removed before anyone reported it, and most of the fake accounts were...