Later, the company issued them a statement saying that they are going to extend this feature for all Facebook users in the coming future. While initially it was assumed that the London-based consultancy gained access to "only" 50 million accounts, for political targeting and psychological profiling, including during the 2016 U.S. election campaign, on Wednesday Facebook revealed that Cambridge Analytica harvested data from 87 million people, including 71 million Americans. Those changes will be rolled out later this spring, Facebook says. Documents filed with the House and Senate shows Facebook spent more than US$17 million in 2017, much of it on an in-house lobbying team that is comprised of former Republican and Democratic political aides.
It's safe to assume anything you've ever sent or shared via Facebook still lives on its servers. unless you're Mark Zuckerberg.
Goldman and Himel added that Facebook was increasing its investment in technology-based detection methods: "We're also investing in artificial intelligence and adding more people to help find advertisers that should have gone through the authorisation process but did not".
Zuckerberg said he particularly wants to shed more light on "issue ads" - ads that discuss a political subject such as gun laws or racism but do not mention specific candidates in the election.
The company said it's shutting down a feature that left at risk the personal information of most of its 2 billion users, and it conceded that as many as 87 million users could have been affected by Cambridge Analytica's mishandling of data.
The British company's work was exposed by whistleblower Christopher Wylie, who said that Cambridge Analytica did work for Bihar elections in 2010. Facebook has now announced that the Unsend feature will be rolled out to all Facebook users. He maintains that despite the data breach, he is still the right person to lead the company. "We should have done this sooner - and we're sorry that we did not", the representative offered as an apology.
Cambridge Analytica says it only ever received data on 30 million users. We will now be making a broader delete message feature available.
In a rare interview conference call with journalists, Mr Zuckerberg admitted that both he and his company have consistently got it wrong when it comes to assessing the damage that is being done by those man- ipulating Facebook for their own ends.
Facebook is introducing stricter rules for advertisers promoting hot-button issues.
Sheryl Sandberg speaking on a panel at the Fortune Global Forum in San Francisco, Nov. 3, 2015. "We didn't. Now we've learned".
The ICO has been reviewing the use of data analytics for political purposes since May 2017 and is now investigating 30 organizations, including Facebook, Denham said earlier this month.