Yes, I think they made an application for it actually.
People can see your profile if you are over the age of 18 (I think) but you can change that in your settings.
Yes, on the picture or album, you can set who you want to see it (everyone, friends of friends, friends only, selected people, or only yourself).
No only your firends can see them. If you are talking about people of Facebook which you are no friends with then no. Your friends that do not have facebook can not see your profile or posts.
You can only view the photos if the owner has published them so that you as a facebook user have the right to see them. Facebook currently allows to publish an album to "Everyone", "Friends of Friends", "Friends", "Only me". So if the pictures are published only for friends, you have to fight to get into the friends group.
Yes if the girl uses it safely. Make your profile so as people can only see your pictures and wall if you are their friends, this way facebook is a great way to keep in touch with friends and relatives! There is no point for anyone to have Facebook just so they can "stalk" other people, again use it to stay in touch with friends =)
Facebook is for grownups where they see pictures of people and tag comments on their post
You can see your friends' posts on Facebook if they accept your requests to be their friends.
Your facebook friends, if they are on facebook at the same time, will see a little icon at the bottom right of their screen indicating "chat" and the number of their friends who are on facebook at the time. If they click on that icon they will see a list of those people's usernames. Otherwise, no one knows you are on.
Facebook friends, the people you accepted or added. They are the ones that can see your profile and updates. Peeps is just another word for friends.
Teachers are not friends, they are teachers. Do you really want your teachers to know what you and your friends are doing? To see all your pictures and comments?
No, people you're not friends with can't see your wall if you don't want them too, you can got to 'settings' to do that.
No, all of your friends can see the photos
It's a good way to interact with people and make new friends. But, its also a little bit safer than MySpace. See other peoples pictures and post your own. chat with your friends and be part of a group.