Facebook, Facebook Groups, Facebook Users, And Traditional Facebook Post

About once a week, if not more, I find myself typing these words or something similar on Facebook: ?I just PM?d you, check your ?Other? inbox.? Or, ?sorry, I?m on mobile, I can?t get to the ?Other? inbox right now.? Or sometimes, just ?bump.?
If any of these phrases sound familiar, you?re probab…