Windows Vista - http://www.vistaarticles.com
How to Flip through windows
http://www.vistaarticles.com/articles/538/1/How-to-Flip-through-windows
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Published on 05/1/2011
 
Using Flip 3D.

How to Flip through windows
The new interface provides a handy way to browse the applications and documents open on your PC. Itís called Flip 3D and to use it just to hold down the Windows key and press Tab. Vista then displays a 3D image of all the programs you have open; pressing the Tab key again flips to the next application.