Dovie, if I might butt in here, I don't accept any friend request from anyone I don't know and I have the application, "I don't care about your farm, your fish, your park or your mafia."
Great question, Dovie! You're going to get a mulitple answer...
Here's a post script to my first message, Dovie:
A lot of people are just on Facebook looking for all the 'friends' that will accept them so they can accept them as neighbors
Thanks for your response, Liz!