As much as we love the Internet, and the helpful information it makes available to us, there are definitely some downsides, like the Family Tree Now site which aggregates all your personal info, including addresses, relatives, possible associates, all in one place.
Thankfully, there is a way for you to opt-out of their site, which we suggest doing immediately. While all this info might be readily available on the Internet, having it all in one place for people to access is downright scary.