> The "⌘⇧4 plus spacebar" technique is especially illustrative.

Indeed it is! (I have no recollection of ever having followed that link, but...)

I've always been aware of the value of keeping my desktop clear; I just don't remember having run across the "windows" aspect of the issue before.

The new Great Equalizer is the SEND button.

In Memory of Harv: Those who can make you believe absurdities can make you commit atrocities. ~Voltaire