I find this article very interesting.
When you do sign up for face book think before you answer all the question that they asked you.
Why>you are giving too much information that is why.
Just filled in what they say and leave the other blank.
Please read this below what this person has to say.
I have been posting this lately as my other blog are false friends on facebook.Just be careful and things will work out for you.Do not give too much information.

By DONNA SYTEK For the Monitor

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Everywhere I look, someone is talking about new media, especially in the old media I rely on, like newspapers and broadcasting. I read about the Obama campaign's extensive use of social networking and blogging, saw my husband, a teacher, post messages to his students on MySpace, and even heard an interview with legendary 90-something journalist Daniel Schorr about his use of Twitter. Clearly, I have some catching up to do if I am going to stay current and connected.

While I am pretty good at e-mail and maintained a blog on CarePages.com during a recent bout with cancer, I have never sent or received a text message. Call me old-fashioned, but I hate the abbreviated language kids use on their cell phones. I also am not ready to use "text" as a verb.

A few months ago, at the urging of a media trainer and with encouragement from a middle-aged friend, I dipped my toe into the social networking waters and opened a Facebook account. The only advice I received was a warning that reading all the posts might become addictive and time-consuming.

So far I haven't fallen into that trap, but there are a few things I have learned along the way that I wish I had known at the start. For the benefit of my contemporaries who are ready to sign up, I offer these tips for "mature" beginners:

1. A little discretion goes a long way.

When you join Facebook, you will be asked for all kinds of information about yourself, such as your birth date, age, education, politics, reading preferences, etc. Don't feel obligated to tell the world your life story.

You can list your birthday without the year, and omit your preference for Lawrence Welk reruns if you don't want to date yourself. On the other hand, listing my alma mater allowed me to connect with some long-lost classmates in Florida and California, which was reason enough to sign up.

2. Sometimes the "news" isn't so new.

On my first pass I had skipped the question on marital status, so I went back and filled it in. This automatically generated a message to everyone that "Donna Sytek is now married." It's nice to have it official after 42 years. Lesson learned: Anytime you change anything in the profile, everybody will know.

3. Use some creativity.

Your home page will display a photo you supply, and this will appear next to any message you post. I naively supplied a current head and shoulders picture of myself before I noticed that savvy users employ all manner of other insignias. There are snapshots with celebrities, pictures of pets, family

gatherings, cartoons, high school photos from long ago, and famous historical documents.

I'll have to get a little more imaginative. Where's that picture of me at age 4 with a scab on my knee?

4. There's such a thing as too many friends . . .

After you sign up, you have the option of inviting people to be your "friends," which means you'll get all their postings and they will get yours. Don't use the "import contacts" tool or you will invite all the names that have been auto-added to your computer address book over the years. I started with just a few names of family, colleagues and active acquaintances, but the network kept expanding.