The former president made the claim in a new book, titled Save America, which is a collection of pictures and anecdotes from his presidential campaigns and term in office.
Haha he is probably referring to acquiescing to government requests to censor stories that could help Trump in an election. Which doesn't make the most sense because Zuckerberg himself says that he regrets doing that in the past and won't do it in the future. Maybe he wants to make sure?
Sort of? They're similar but this is in reference to Zuckerberg admitting he colluded with the government to temporarily censor a negative story about Hunter Biden.