And here's another gratuitous rant, as I continue becoming familiar with the ways o' Facebook:
For the love of God, does almost no one entering a thread ever scroll back just a little bit to see what's already been asked and responded to, before adding their repetitious and utterly useless post that duplicates a hundred others?
On one site, we called that "being on Write Only" -- meaning, you'd enter a new thread and start mindlessly posting without informing yourself where the conversation was. It was considered a negative thing, not good "netiquette", and was highly discouraged. (It was a small site, where you could actually discourage stupid behavior.)