Go back to Settings… Privacy settings… again. This time we’re going to look at Contact Information.
Remember, I didn’t put any of this information up, so they would be blank anyway. But if you do put up some personal information, compare yours to this list. You could have reason to share your information more widely.
Also, if you get into a situation where someone starts to annoy you, you can select to not allow any specific person from accessing any of this.