You don't post info on there that you don't want to share, BUT it is a great way to keep in tounch with neighbors that you don't have their phone#s ect... You can private message someone down the street and say "Hey, I noticed your gate was open today in your backyard" It is a great tool IF people are willing to use it.

I tried it in my neighborhood.. used it to send out meeting times and help to get agendas, but people didn't seem interested..

I agree that Facebook can be a great tool for neighborhood watches, but onloy if used right.