You do not have to join, sign up or post on facebook to read the PA row by row thread. You can enjoy pictures, see names of stores, see the store's row pattern, etc.
https://www.facebook.com/PARowbyRow/timeline
If you do want to comment, you do need to sign up, but if you are leery of FB, for whatever reason, you can still find good info on threads that are open to the public.