Facebook to provide data on targeted political ads to researchers
Facebook closes political ads loophole ahead of US presidential election
Facebook allows political candidates to run sponsored content
Spotify to suspend political advertising in 2020
Twitter to ban political ads worldwide on its platform
TikTok bans paid political ads
Facebook expands rules on political ads to Canada, Ukraine
Facebook toughens political ad policies in India
Facebook to verify identities for political ads
Facebook moves toward revealing backers of political ads