Saw someone on FB post something about this. These all appear to

Beware Of Facebook 'Violations Detected On Your Page' Scam

How to See What Your Friends Like on Facebook: 9 Steps

If my publish setting on Facebook is 'only me' and I post to my friend's wall, does it show in the news feeds of our mutual friends? - Quora

Got hacked, someone reported the post I think and now I can't log in. It won't let me click the links or the x : r/facebook

Do You Know How to Read Your Facebook Insights? - Vici Media

Will visiting someone's Facebook page put you on their “People You May Know” List? – Harmari an Avenu Company

How to prevent a friend from commenting on my Facebook posts - Quora

5 Ways to Show Your Facebook Posts Only to Certain People

Can You See Who Views Your Facebook Page? 3 Tools To Identify Visitors

In a Facebook group on a post what does seen by 3 mean? - Web Applications Stack Exchange

Don't Boost! Promote Facebook Posts Properly