Facebook is making a series of changes to its advertising systems and plans to add more than 1,000 people to review the advertisements that run on the social media platform in the wake of a congressional investigation into Russia’s involvement in the 2016 US election.
Additionally, Facebook said on Monday it provided information on about 3,000 relevant ads to congressional investigators.
In September, the social media giant disclosed that accounts affiliated with Russia bought more than $100,000 in election-related ads.
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That disclosure prompted a congressional probe, which now includes Twitter and Alphabet’s Google. The companies have been asked to testify before the House Intelligence Committee later this month and the Senate’s corresponding committee on 1 November.
Two weeks ago, Facebook chief executive Mark Zuckerberg announced an overhaul to the rules around political ad spending and said the company would add 250 employees to work on election integrity.
“I don’t want anyone to use our tools to undermine democracy,” Mr Zuckerberg said in a video message.
On Monday, the company said it was bulking up the staff that review ad spending, although it declined to offer details on the process.
Facebook also introduced several updates to the ad-buying process, including tighter restrictions on content and improved rules to force advertisers to demonstrate their authenticity before they can make purchases.
Facebook declined to expand on the nature of the ads found beyond a blog post that said “the ads and accounts appeared to focus on amplifying divisive social and political messages across the ideological spectrum — touching on topics from LGBT matters to race issues to immigration to gun rights.”