Yes you can still tweet them and they will still see the tweet in their mentions.
Mark Zuckerberg's email address is not given out to the general public. He has a public Facebook profile where anyone can follow him.
You can only view a person's full profile if they their page is set to public or if they are your friend
Signing your guestbook simply means that someone has visited your public profile. If they are trying to contact you, you will receive an email with their message in it.
A public profile page that is available to other users and the public
Yes, unless that person's account is public.
On Facebook, subscribing to someone's profile means that you will see their public posts in your News Feed, even if you are not friends with them. This feature allows you to follow a person's updates without becoming friends with them.
Well if you wanna make your profile private just go to account settings and select public
absolutely, I used to have a xanga and it was shut down because I didn't up date it and I gave someone my xanga web page site, so even if you block someone can still get to see your myspace page.
go to edit profile,&& uncheck the box that says Keep profile private. [;
Download the picture that you want to make it as your profile picture. You can find the download option in the 'Options' tab that is on the right hand bottom of the picture.Save it on your system folderGo back to your profile and click on Edit profile picture.Upload the saved image.This is possible only if that someone has made the picture visible to everyone/friends/public. If the settings have been otherwise, then it will not be possible to download that picture.
when you click on your profile and under your zwinky picture, there will be a button that says *edit profile* when you do just make your profile private
Public Profile