How do you make your network invisible to people on facebook?

I don't want everyone knowing what network I belong to. How do I make it so that random people can't see it?How do you make your network invisible to people on facebook?
By the help of privacy setting you can set each and everything private even its your profile picture so check out your privacy settings.How do you make your network invisible to people on facebook?
i wish i knew
you cant unless you leave it.
http://sg.answers.yahoo.com/question/ind鈥?/a>
set your profile to private. then only your friends that you add can see it.
HERE is how. Go to your profile, click edit profile, then click on the pencil looking then next to information(under picture), and then click on the network part
if it is a regional network, facebook is phasing them out anyway!

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