Is Facebook an invite for unwanted friends?

It is not rare these days for every student on a college campus to have a facebook. If you just sit in the library and look at the computers, you wouldn't be surprised to see at least one or two people on their facebook page or looking at someone else's instead of doing there work. Actually your more than likely to see one. I know i find myself checking myin once or twice a day and there are people that even have updates sent to their cell phone when they have an update on their wall or pictures tagged to them. And you can even upload photos from you phone to facebook seconds after you take it. But is all of this technology and invitation for violence and predators.
Many people will update their status everyday or even more than once a day to let everyone know exactlyyyy what their doing. Not only that but they also will put all of their personal information on there like phone numbers, addresses, school, birthdate, etc. It has become such a large part of teenagers lives nowadays that everything they do is published in their profile. Mainly they're doing this for their friends, but who else could be looking at it you don't know. It is not hard for someone to scavenge all of your info. from your profile and find out ways to get in touch with you. And this includes dangerous criminals or sexual predators that could live nearby your school.
So why invite this trouble if you can prevent it from the start. Many of these types of people will just randomly search through names they could fine in school newspapers, or postings of school team members. So what can you do to keep yourself safe? Here's a list of tips that may help prevent an unwanted guest:

1. Safe guard you profile by changing your security levels. Make sure that if someone isn't a "friend" of yours on facebook; they can't access your profile and get your info. Limit what they can see and give them the bare minimum, that way new friends can still search for you and its not ruining your facebook social life.
2. Block pictures that you want others to see. Thus not letting them profile you and see what your hobbies or habits are.
3. Don't update your status on every little detail throughout the day.
4. Limit the personal info. you put on your profile. (i.e. phone numbers, room numbers, home address.
5. Allow only certain people you know you can trust to see your whole profile

With the rise of crimes in society, technology has opened more doors for suspects to find their victims. So by following some of these simple rules, you might save yourself from having an unwanted friend who constantly bothers you with wall posts or even worse.