It's just dawned on me that even normals say "ping" in the sense of "send a short message to asking for feedback". I wonder if that came into the language via sonar, or via Unix.
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@simoncozens unix, i'm pretty sure it was us
@davidgerard @simoncozens Nope, my Dad used it in the ’70s and he was a librarian.
@simoncozens@typo.social @davidgerard@circumstances.run
I am just deciding it was us because the military gets all the credit for everything else.
@daemonspudguy @simoncozens i'm afraid it was previously called the ARPAnet
Which came from sonar.
