sharing and privacy
even if you customize your privacy settings it is important to understand that visible to a lot of other people this is because facebook is designed to be more communication tools
for example let is suppose you post a photo on a friend is timeline by default the friends on facebook not just the person you shared it with the photo will also with your friend this is one reason people enjoy using facebook it is easy to sharing time
as long as you somewhat careful about the things you share facebook does not privacy before you share anything on facebook such as a comment or a status comfortable you with many people seeing that information if you would not in a public place you may not want to share it on facebook either