The numbers Facebook is and is not willing to share say a lot about its ability to stop election misinformation.
On a call with press Thursday, Guy Rosen, Facebook’s VP of Integrity, said that since March the company put “warning labels” on 180 million pieces of content — meaning a third-party fact-checker reviewed and debunked them.
Facebook subsequently put a gray box over that content when people shared it, with a “false” warning label and a link to the debunk.
That’s a big…