Important Zuck messages accidentally deleted from Facebook - adding weight to the importance of efforts like the Internet Archive: https://www.businessinsider.com/facebook-old-posts-mark-zuckerberg-disappeared-2019-3?r=US&IR=T
I'm surprised more news/journalisms services don't seem to have 'independent archives' in order to avoid future Memory Hole issues, with companies retaining the ability to remove or change their own (or others') histories.