https://www.dailymail.co.uk/news/article-13782473/Mark-Zuckerberg-ADMITS-censor… — INFORMANT
https://www.dailymail.co.uk/news/article-13782473/Mark-Zuckerberg-ADMITS-censoring-Joe-Biden-bombshell-letter.html
reading contaminated — another post landed inside this measurement window, so this can't be attributed to one post.