Originally Posted by Larry Schuler
Some "fan pages" are actually topic pages that Facebook automatically creates and fills with posts/statuses its users are making about that subject. Also if your privacy settings are set to only show your posts to friends, you and your friends will see your post on Facebook's Brent Darby page but non-friends won't.
I had my friend also post a status update on their wall with his name in it and it didn't show upon that topic page. Of course, maybe it takes a while.