Jamendo geeks solve the hidden Chrome OS equation (and win a Cr-48 netbook)

Google Chrome OS team posted a demo video with a secret challenge (around 2:24) in the video. Here's the video:



... and here's the story of the Jamendo geek team that solved it and got a free Chrome OS notebook:
Jamendo geeks solve the hidden Chrome OS equation (and win a Cr-48 netbook)