To answer that, other sign-up forms have requested other information. All of the information for this sign-up form was all within my signature except the account name, which is obviously the one posting the messages containing that sig. When I replied to the VMs, I said as much.
I'm trying to get the Adamant nature right now, and ran into a slowdown by not having a Captivate user ready to use - or an Adamant mate that works. So I probably lost already.
Even so, I edited my 11:58 AM post right above the first challenge info.
Thanks. Also, there's two more challenges, you can still win those. And some surprises too.