[Ayatana] Idea for improving visibility of running applications

[Niklas Rosenqvist <niklas.s.rosenqvist@xxxxxxxxx>]

I just read Bartosz mail about that the running applications aren't 
always so easy to see and got an idea. Some icon sets, like Faenza which 
I use, is very colorful and since the icons are squared they almost fill 
the whole icon place holder so that the illuminated background isn't 
helping very much. Therefore for the next iteration of Unity it would be 
nice to have a option to desaturate (grey-out) applications which aren't 
running. So that the toggle function illuminates the background and 
makes it easy to spot the coloured applications instead in midst of the 
grey ones.

What are your thoughts on that?