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I have to wonder by how long this technique predates WWI, since history is littered with subversive cues and signals. https://en.wikipedia.org/wiki/Intelligenc
by pavement 9y ago
I have to wonder by how long this technique predates WWI, since history is littered with subversive cues and signals.
https://en.wikipedia.org/wiki/Intelligence_in_the_American_Revolutionary_War https://en.wikipedia.org/wiki/Intelligence_in_the_American_R...
Probably, any earlier than the 19th century and textiles were probably still pretty valuable, that they weren't just thrown around.
Also, perhaps most notably is the scytale which is pretty much the same concept, although probably minus the steganography.
https://en.wikipedia.org/wiki/Scytale https://en.wikipedia.org/wiki/Scytale
- madaxe_again 9y agoEven more analogous are Quipu, which encode information in knots. https://en.m.wikipedia.org/wiki/Quipu https://en.m.wikipedia.org/wiki/Quipu
- deleted 9y ago[deleted]
- marsRoverDev 9y agoAnyone who has been a scout has probably heard of Baden Powell hiding pictures of enemy installations in his paintings/sketches of butterflies: https://www.thegenealogist.co.uk/images/featuredarticles/badenpowell9.gif https://www.thegenealogist.co.uk/images/featuredarticles/bad...