See this thread (http://forums.civfanatics.com/showthread.php?t=151470) for details.

Don't forget to post in the citizens' registry (http://forums.civfanatics.com/showthread.php?t=132266).
:)

Just why is that , actually ?
Because of the above post.

Would this not be better stickied?

Well, I have it in post one of the sign up thread. I assume people would go to the first post first if they have troubles.