Today  is "Ten-Four Day."   The fourth day of the tenth month is a day of recognition for radio operators "ten-four" being the code words for affirmative reply.  Whatever happened to CB radio?  I guess cell phones killed CB.  At least CB radios didn't ring in the middle of meetings, theaters, restaurants, and you got to eavesdrop on everyone else's conversations.

Photo by Michael S.Williamson/The Washington Post via Getty Images