According to the Associated Press, on Monday all 2.2 billion Facebook users will receive a notice on their feeds, titled "Protecting Your Information".
■ TINDER users were locked out because of changes to how Facebook links with third-party apps.
Shares of the social network slipped another 1.4%, in line with the market's slump, early Friday after the executive told NBC's Savannah Guthrie that Facebook knew Cambridge Analytica had mishandled user data two-and-a-half years ago, but failed to check any further after it was assured the data had been deleted.
The federal and British Columbia privacy commissioners are joining forces to investigate Facebook and Canadian political consultancy AggregateIQ - two firms at the centre of an global uproar over the unauthorized use of social-media data. He's set to testify before Congress next week.
One of the most popular social networks, Facebook, could grant its chief Mark Zuckerberg and other executives an opportunity, all other users don't have. Then it was Facebook collecting call data from Android phones.
"This work has not progressed past the planning phase, and we have not received, shared, or analysed anyone's data", a Facebook spokesperson told CNBC, the USA media outlet that broke the story today. About a million users in the United Kingdom are believed to have been affected.
Improper data use by Cambridge Analytica was addressed as well.
Facebook has already taken action on activity related to the upcoming referendum, removing a feature that wrongly suggested pro-choice Facebook users had "donated" to a pro-life Facebook page.
In an interview with BuzzFeed News yesterday, Facebook COO Sheryl Sandberg made clear what Facebook needs to do to regain user trust: "It's not about what we say, it's what we do". You can delete them, sure ... but that won't delete them from the recipient's data file. We spent the last few days trying to get to the bottom of what happened.
Others didn't appreciate Sandberg's message that without user data, Facebook would have to become a paid service.More news: Nokia rolls out 3 phones in India
In a recent interview with Vox, Zuckerberg said he's open to independent oversight of Facebook's editorial decisions and content management policies. He also announced tightened restrictions on log-ins.
Facebook is working to strengthen its system ahead of this year's US midterm elections and other elections around the world. "This will help raise the bar for all political advertising online".
"Only good news", it reads. The company did not say what this number would be.
Instead, he said that the move is aimed primarily at stopping external organisations from spreading disinformation as happened in the 2016 USA presidential election and the Brexit referendum the same year.
"We approached this research as we would any other scientific, medical, or clinical research - ensuring that the research protocol would be consistent with HIPAA regulations, the HHS Office of Human Research Protections regulations, and relevant Institutional Review Board decisions", Valentine said in an emailed statement. In a call with reporters Wednesday, Zuckerberg acknowledged he made a "huge mistake" in failing to take a broad enough view of what Facebook's responsibility is in the world.
Those ads targeted Facebook users on hot-button subjects including gun rights, gay rights, religion and presidential candidates Trump and Hillary Clinton.
The federal privacy watchdog launched an investigation last month to look into allegations about the unauthorized access of private Facebook data.
The report notes that Facebook will let all users access the unsend feature. Even more interesting was the breakup of all the affected countries with as many as 5 lakh users possibly being affected in India. Over the past three weeks, the scandal has continued to spiral.
When reached for a comment on Friday, a Facebook spokesperson conceded the company was too slow in responding to reports about the incendiary messages.