Public forums: moderation and communication (Score 1)

What challenges do you face when you need to moderate massive forum content continuously being posted by players? How do you keep up with the moderation efforts required? Also, are the public forums a preferable way to communicate feedback and ideas from the players to the developers and back? Sometimes a little transparency goes a long way to put people's minds at ease, so how do you decide whether to communicate certain ideas and trends to the players or not?