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Make a super-cool postcard decoder.

This postcard paper cipher is placed over your postcard and can be used to encode a message, then decode the message after it's been sent. The cipher code can be sent either in a separate transmission or hidden somewhere on the package itself, allowing savvy codebreakers a clue on how to decipher your message. Though this cipher is not as sophisticated as some digital ones, it's a fun, low-tech and effective!

link: Man Crafts: secret postcard decoder

**related: .-.. . .- .-. -. / -- --- .-. ... . / -.-. --- -.. . (Learn Morse Code)

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"Be who you are and say what you feel: because those who mind don't matter and those who matter don't mind." ~ Dr. Seuss