Can you search someone up on facebook without being loged on?

Checkout http://www.myfacebooksearch.com/

You can search Facebook Messages, People, Applications, Music, Video, Groups etc without logging in. Search what people on Facebook are talking in public about the things that matter to you and get notified via email.

Also, you can embed facebook search results to your web site, blog etc which keeps you update of the keyWord that you are searching for.

For example, if you search for keyWord "i hate my boss", it would keep update on the latest posts by facebook users that have the keyWord "i hate my boss".