Now, this is a combination of too much free time, and too much coolness: hiding an image in a graphic's histogram. It's an innovative style of steganography, without requiring complicated software other than a histogram-analyzing graphics software -- and even digital cameras do it internally. I imagine on one end of the spectrum, the CIA is rolling their eyes because this form of encoding is sooo 1994; on the other end there's some bad science fiction being written right now about messages from ghosts being found by taking pictures of particular locations.
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