This is exactly what OSX developers did with Leopard and Spaces. Isn’t this feature available for ages in lots of GNU/Linux desktops? Are OSX users definitely (re-)discovering how to work natively with virtual-desktops?, let’s see what Apple says in Leopard’s main website:
You do a lot on your Mac. So what happens when all those projects pile up? Easy. Use Spaces to organize all your windows into groups and banish clutter completely. A Space for everything and everything in its Space. Only with Mac OS X Leopard.
What the fuck? Only with Mac OS X Leopard? AAAAAAAAA!
Hmm….. you finally discovered what they call “Marketing”!