This product was particularly useful since Facebook was planning to remove its official Forum application.
Forum for Pages - Main Topics Page
Forum for Pages - Timeline Homepage
Back to present, Forum for pages has continued evolving and got more and more features, including:
Additionally, this extension now contains a Premium version, that mainly removing advertisements, but also including nice features well suited for companies and official brands:
For those whom it concerns, this Premium version starts at $5 per month, which is really cheap when you think about the communities and great potential Facebook has.
Forum for Pages - Admin Settings Premium
Forum for Pages - Inside a topic thread
As usual, after the deletion of Facebook forum, the famous quote "Nature abhors a vacuum" cannot be more true.