A man is not dead while his name is still spoken.
⸺ Going Postal, Chapter 4 prologue
About the Signal
X-Clacks-Overhead is a non-standardised HTTP header based upon the fictional work of the late, great, Sir Terry Pratchett.
In Terry Pratchett's science-fantasy Discworld series, “The Clacks” is a network infrastructure of Semaphore Towers, that operate in a similar fashion to telegraph – named “Clacks” because of the clicking sound the system makes as signals send.
In Sir Terry’s novel “Going Postal”, the story explains that the inventor of the Clacks – a man named Robert Dearheart, lost his only son in a suspicious workplace accident, and in order to keep the memory of his son alive, he transmitted his son’s name as a special operational signal through the Clacks to forever preserve his memory: