Facebook will no longer send employees to work at the offices of political campaigns during elections, the company has announced.
The social network used to offer dedicated staff to political campaigns to help them develop their online advertising campaigns.
Donald Trump's digital director for the 2016 presidential election has said Facebook's assistance helped him win.
Facebook said rival Hillary Clinton was offered the same support, but declined.
Sexually suggestive clips featuring children were recommended to users, an investigation finds.
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The social network will no longer send employees to work at the offices of political campaigns.
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Angie Sivagnanasundaram has mended more than 3,000 broken hearts by putting people back in touch with their loved ones.
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Brussels says Facebook must improve its information flow by 31 December or face sanctions.
Read moreLawyer Christian Weaver has created a series of online videos to teach people their legal rights.
European Commissioner for Justice, Consumers and Gender Equality Věra Jourová says that efforts to get Facebook to comply fully with EU consumer rules are not going to plan.
In July, the European Commission and EU consumer authorities met told Airbnb and Facebook that both tech firms needed to make changes to their terms and conditions, and improve the presentation of services and prices.
Commissioner Jourová has announced that Airbnb has started making changes, but she is seeing very little progress from Facebook.
"My patience has reached its limit," she said in a statement.
"While Facebook assured me to finally adapt any remaining misleading terms of services by December, this has been ongoing for too long.
"It is now time for action and no more promises. If the changes are not fully implemented by the end of the year, I call on consumer authorities to act swiftly and sanction the company."
Zoe Kleinman
Technology reporter, BBC News
IBM is launching software which will monitor algorithms in real time and highlight how they make decisions.
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Women in three US states were allegedly not shown job ads for certain "male-dominated professions".
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The Nasdaq is down 0.94% lower at 7,935.15.
Of the FAANGs, Netflix is the biggest faller down 2.56%, followed by Amazon off 2.1%.
Apple's shares are 1.9% lower but reports are emerging that its watches will be spared from the latest round of US tariffs on $200bn worth of Chinese goods.
Facebook is off 0.75% and shares in Google's parent company Alphabet dipped 0.55%.