> Before going off into the weeds talking about DCAs

Thanks for the advice. Fact is, I was talking about how DCAs were discovered and how people did things before they had microprocessors inserted into every crevice of their lives. You don't have to read this stuff, you know. There is plenty of stuff on Bee-L that I skip over.

I am not a Luddite but I suggest that not everything that's "new and improved" -- is actually improved simply by being new. 

I remember the first time I walked through a DCA, I was hiking in the back country of San Diego. There was this long green valley with white sandstone cliffs poking through the fields of blooming filaree. 

The air was thick with drones, making that droning sound (which came first, anyway -- drone as a bee or drone as a sound?). I felt a part of it all at that moment. 

Eventually they ran an interstate up the middle of the valley and put houses and malls where the green fields used to grow. 

PLB

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