Giving all our information in any online site is not a good activity, we must hide some of our personal identity in social sites, since they are used by various kind of people, we don't know who is good and who is scam, if we give all our personals in a social site, there may be a chance that some hackers will get our information and do some unwanted things, so we must be careful while sharing our personal things in social sites like face book.
Don't give all your personal information like address, contact details, education information in your profile, if you provide this kind of details in your profile, then make it private, don't share it with unknown persons, it is your safer side.
Don't give all your personal information like address, contact details, education information in your profile, if you provide this kind of details in your profile, then make it private, don't share it with unknown persons, it is your safer side.