Or hiding a secret message or script inside of a Word or Excel document. These days, many examples of steganography involve embedding a secret piece of text inside of a picture. That something can be just about anything you want. ![]() ![]() ![]() Steganography is the practice of hiding a secret message inside of (or even on top of) something that is not secret. Ever do that yourself? Well, if you have, you and I have engaged in the time-honored practice of steganography. This revealed the secret message I wanted to share. I wrote my secret message on a piece of paper and then told my friend to use an iron or even a match – some sort of heat source – to burn the lemon juice a bit, turning it brown. ![]() I was only about 8 or 9 at the time, so I used the tools my mom unwittingly made available: lemon juice and an iron. One of the first things I remember doing as a kid was writing secret messages to friends using invisible ink.
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