Cell Phone Forums uses a custom built system for vBulletin to allow guests to post a reply or a new thread in the forums, then register to publish their reply. This system encourages participation by calling on the user to write something before the option of registering even enters their mind. With the modification being enabled for a month and a half on this site we've seen a 9% increase of new registrations (Results will vary depending on your traffic and subject matter).

Here are ...