As long as you use privacy settings on social networking sites, you do not need to worry about personal sensitive information being shared.

Question

Quizplus · Accepted Answer

Even with privacy settings, there is still a risk of personal sensitive information being shared because the settings can be changed by the social networking site or by the user accidentally sharing information publicly. It is important to be careful about what information is shared online, even with privacy settings.

As Long as You Use Privacy Settings on Social Networking