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Facebook has revealed that 87 million users could have been affected by the Cambridge Analytica scandal, nearly 40 million more than previously estimated. The figure includes more than a million users from the UK with the majority of those potentially affected based in the US.

The social media firm鈥檚 boss Mark Zuckerberg said Facebook 鈥渄idn鈥檛 do enough鈥� to protect its users, at a press conference on Wednesday.听鈥淲e didn鈥檛 take a broad enough view of what our responsibility is. That was a huge mistake. It was my mistake,鈥� he said.

The 87 million figure is an estimate and Facebook says they 鈥渄on鈥檛 actually know鈥� the true total. Alongside profiles in the UK and US, more than a million听Filipino and Indonesian people may have had their data shared improperly.

In a blog post Facebook outlined a number of proposed changes to听its听terms of service in the wake of the privacy row. The company explained that it had disabled a feature that had previously allowed people to search for users by their mobile number or email address, if they chose to allow it in their settings.听听鈥淚 would assume if you had that setting turned on that someone at some point has access to your public information in some way,鈥� said听Zuckerberg.

He also said that he is still the right person to lead Facebook. 鈥淚 think life is about learning from your mistakes and working out what you need to do to move forward.鈥�

Read more:听Fed up with Facebook? Here鈥檚 how to fix your online privacy

Read more:听Our obsession with a 鈥榝ree鈥� internet led to Facebook data row

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