Facebook is working to keep advertisements off of fake news and offensive videos.
The company released new guidelines Wednesday detailing the types of content it won't run ads on.
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Facebook started embedding ads directly in videos back in February. But some advertisers worried their content might appear on controversial or fake videos, which could damage their brands.
It's a valid concern: A report in March noted YouTube embedded ads in content that promoted anti-Semitism and terrorism. Advertisers briefly fled YouTube after that, which might have cost the company hundreds of millions of dollars.
Facebook is trying to avoid that scenario — the company has grappled with plenty of fake news and offensive content on its platform in the past.
Facebook now says publishers will need a "sufficient" follower base in order to monetize their content with ads.
