funky and spunky
“You may be wondering why should you and what will prevent other people from doing the same, in short you now know to change your privacy settings on Facebook so no one can view your friends/family list. So go ahead and update that now (I have a copy if you don't pay) to stop any future e-mails like this.”
All we have to do is make everyone's Facebook information public, and then the blackmail won't work!