Facebook's week is off to a tumultuous start. On Monday, Facebook, WhatsApp and Instagram went down for about six hours. On Tuesday, Frances Haugen, the Facebook whistleblower, testified before a Senate subcommittee, following the release of thousands of pages of internal research and documents.
source https://www.cnn.com/2021/10/06/tech/fb-whistleblower-doc-takeaways/index.html