For years, all throughout my obsession with cryptography, I've been trying to find what I call the Holy Grail of cryptography... a hidden message where you have to *know* that there's a hidden message there to even decode it. Then I found out that it has its own name:
steganography!
I have indeed managed a few of these. But I'm trying to find one that's not only hidden from view, but is easy.
Speaking of steganography, find the hidden message in this picture: