In his infinite wisdom Chairman Rentzsch has chosen Mac OS X’s Accessibility API as the secret ingredient of the contest. The official thread of the March 2006 Iron Coder contest is hosted by Gus Mueller.
For people looking at the Accessiblity API for the first time and wonder “what the f**k do I do with this”, check out Apple’s sample code at /Developer/Examples/Accessibility. More sample code available online here UIElementInspector.dmg