From: "Frank Haber" 

I sent David Pogue a copy, and he offered the following correction.  So,
for completeness,

"(Just one note: Actually, I had Aero turned ON all the time. That's
how I was able to demo the Flip 3D feature and the taskbar thumbnails. What
I had turned OFF was window-edge transparency, just because it's so
ugly!)"

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