A friend sent me an email which included a recent Charles Pierce column in Esquire.
https://www.esquire.com/news-politics/politics/a46506384/trump-rally-new-hampshire-qanon-hecklers/
My buddy closed his email, “I especially liked the phrase, ‘he will wrestle unsuccessfully with the spark gaps widening in his brain’. Although it occurs to me that few under 60 will know what ‘spark gap means.”
Spark gap might be one term falling out of use. Another is DMZ, as in De-Militarized Zone. A friend teaching network security began talking about a DMZ with servers as part of network security and had to stop and first explain ‘DMZ’.
No surprise for me, but a little sip of delight. The world is always changing; word use is just more piece of evidence.
Michael Seidel, writer 
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