Last night I stumbled across this Photoshop mockup I have 2/3rds completed of a potential GUI for a Google operating system. This was created before Android, Chrome and Wave existed (as far as anyone knew) and is based on nothing but my own thinking.

I rather like the look of it, so I'm going to finish it off over the next few lunchbreaks. You’re welcome to share any thoughts you have on the subject in the comments.