Companies such as Playboy and Space X have deleted their official Facebook pages amid the Cambridge Analytica scandal. The social media giant is losing more than just profiles: Its market value has decreased by $80 billion. Chandan Khanna/AFP/Getty Images hide caption
Facebook announced a redesign of its privacy tools as it comes under criticism for the handling of users' data. Facebook/AP hide caption
Whistleblower Christopher Wylie alleges that the campaign for Britain to leave the EU cheated in the referendum in 2016. Alastair Grant/AP hide caption
The Federal Trade Commission is investigating whether Facebook violated an agreement with the FTC in allowing users' data to be revealed secretly to Cambridge Analytica and political campaigns. Alex Brandon/AP hide caption
Mary Guedon of the group Raging Grannies holds a sign as she protests in 2010 outside of the Facebook headquarters in California. Privacy advocates say it's too difficult to fully protect your privacy on Facebook. Justin Sullivan/Getty Images hide caption
Officers from the Information Commissioner's Office enter the offices of Cambridge Analytica in central London. The investigators had a search warrant as part of what has been reported to be a broader investigation into possible ties between Cambridge Analytica and the campaign for the U.K. Brexit referendum. Yui Mok/AP hide caption
Presidential candidate and front-runner Andres Manuel Lopez Obrador delivers a speech during a rally in Guadalajara on Feb. 11. On Wednesday, he said of Cambridge Analytica: "Now that it's a worldwide scandal, people are finally paying attention." ULISES RUIZ/AFP/Getty Images hide caption
Facebook CEO Mark Zuckerberg walks at the company's headquarters in Menlo Park, Calif., in 2013. NPR asked Americans what steps they take to protect their Facebook data. Marcio Jose Sanchez/AP hide caption
Some of Cambridge Analytica's claims about its role in Donald Trump's 2016 campaign suggest it may have violated U.S. campaign finance laws. Chris J. Ratcliffe/Getty Images hide caption
Cambridge Analytica Chief Executive Alexander Nix leaves the company's offices in central London on Tuesday. He was suspended amid a controversy about the company's use of social media data. Dominic Lipinski/AP hide caption
Alexander Nix, the currently suspended CEO of Cambridge Analytica, speaks at a 2016 event in New York City. Nix and his firm are accused of misusing the personal data of 50 million people as part of their political consulting work, which included President Trump's 2016 campaign. Bryan Bedder/Getty Images for Concordia Summit hide caption
Cambridge Analytica CEO Alexander Nix is heard on the secret recordings saying that one strategy for compromising opponents is to "send some girls around to the candidate's house." Patricia De Melo Moreira/AFP/Getty Images hide caption
Facebook suspended Cambridge Analytica, a data-analysis firm that worked for President Trump's 2016 campaign, over allegations that it held onto improperly obtained user data after telling Facebook it had deleted the information. Matt Rourke/AP hide caption
Texas Sen. Ted Cruz campaigns in Myrtle Beach, S.C. Matt Rourke/AP hide caption