If you play eternal earth you might want to check out the social pages update.
Clans get their own profile page.
Clan Pages have the following features:
-Clan Leaders can edit important info such as clan rules, mission statement, allies and enemies!
-Clans get their very own private clan forums!
-Track your clans Kill vs. Death ratio, Average number of quests completed, Race/Class breakdown and much more!
-View a complete roster of all clan members.
Also there is forums for clans.
Added Clan Forums. If user is member of a clan, they will see a forum category for that clan. Each category contains two forums: “Clan News” and “Clan Chat”.
Read more at : Web Update Profile Pages and Clan pages