We hate wiki spam, so it's gonna remain passworded, but anyone who wants to can take a peek at the TheyWorkForYou.com Development Wiki to see how we built the beast.
username: theyworkforyou
password: n0vemb3r (n-zero-vemb-three-r)
Feel free to disseminate, but please don't post the link with the login details embedded in the url.
Stef has highlighted a couple of the very early sketches. You can see why I never passed my technical drawing exam.