Mark Zuckerberg will testify before Congress next week

Facebook also said at the time it would investigate all applications that had gotten access to large amounts of data before the firm changed its platform in 2014, would further restrict developers' data access and roll out a tool to let users more easily revoke access by applications to their data.

The company is reeling from news that a Trump-affiliated data-mining firm used ill-gotten data from millions of users to try to influence elections.

Nevertheless, the Cambridge leak has inspired a wide-ranging debate about Facebook's privacy practices. We're not asking for new rights to collect, use or share your data on Facebook.

Overall, Facebook says 87 million of its users were affected - with almost 82 per cent of them were believed to be located in the United States. While this helped individuals find friends who may have a common name, Facebook says businesses that had phone or email information on customers were able to collect profile information this way.

Their call represented the first official request from a congressional oversight committee for Zuckerberg's appearance as lawmakers demanded that Facebook explain reports that Cambridge Analytica harvested the data of more than 50 million Facebook users. Zuckerberg is also scheduled to hold a conference call with reporters Wednesday afternoon about the company's response to the Cambridge Analytica scandal.

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VW says the Tanoak has completely unique bodywork, although there's no question it's influence stems from the Atlas. Behind it is a 4MOTION Active Control for the all-wheel drive system, with On-Road, Sport, and Snow profiles.

The social network said the changes are created to better show how it collects and uses data, and are not a request for new rights to data from users on the site.

Facebook CEO Mark Zuckerberg will testify before the House Energy and Commerce Committee on April 11, according to an announcement from the committee released on Wednesday.

Facebook Inc (FB.O) said on Wednesday that the personal information of up to 87 million users may have been improperly shared with political consultancy Cambridge Analytica, up from a previous news media estimate of more than 50 million.

Walden, R-Ore., is the House Energy and Commerce committee's chairman.

"This hearing will be an important opportunity to shed light on critical consumer data privacy issues and help all Americans better understand what happens to their personal information online", said Chairman Greg Walden of OR, in a joint statement with ranking panel Democrat Frank Pallone of New Jersey. Pallone of New Jersey is the panel's top ranking Democrat.

  • Delia Davidson