The following participants successfully found the black ROBOT:
Ben Murphy / Writeup / Code (Ruby)
David Cook (@divergentdave) / Twitter
Bono (Twitter ID: @Bono_iPad) / Twitter, Writeup
[WouterK (shoutout to ThomW! :)]
Ion Larrañaga ([mail removed]) / Blog post / Writeup
The old start page can be found here.
The winner page can be found here.