Facebook stocks drop 20% (US$118 billion), setting a record as the biggest single stock market loss in one day, and marking the first time that a stock lost over $100 billion in one day.
Facebook and Twitter remove, on order of the Supreme Federal Court, numerous accounts that support Brazilian President Jair Bolsonaro for promoting fake news. The Brazilian Labour Party, a member of the ruling coalition, condemns Justice Alexandre de Moraes for issuing the order.
Ahead of an expected U.S. announcement that it will cut all aid to the UNRWA, which supports more than 5 million registered Palestinian refugees, Germany calls on European Union states to help bridge the expected US$217 million deficit. Yesterday, Jordan made a similar appeal to the Arab League.
Facebook announces that it has suspended 32 accounts it believes intended to influence the 2018 mid-term elections in the United States. The company says while it is uncertain who operated these accounts, at least one is linked to the Russian-based Internet Research Agency.
United States senators question Facebook CEO Mark Zuckerberg about the various controversies the social network is dealing with, including recent disclosures concerning Cambridge Analytica's use of Facebook data.
Facebook, Google, and Twitter executives have been asked to testify before the House of Representatives Intelligence Committee in October and the Senate Intelligence Committee on November 1, according to committee sources.
The Guardian obtains a copy of a document from April that reveals that the NSA is mining data using PRISM, spying on the e-mails and web activities of American citizens through direct access to Google, Apple, Microsoft, Facebook, YouTube, Skype, Yahoo, Paltalk and AOL. The Guardian's report does not state from whom they obtained the document.