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3 bits per pixel is in the order of megabyte amounts of information.

640x480 a 3 bits -> 900kB.

Thats a lot. Too much. This is why we cant have nice things. Because people keep inventing things to destroy privacy.

any channel that hides data invites misuse, even if the intent is benign. the same technique that enables structure also enables stealth. how easy it becomes to slip data past casual inspection. worth being cautious, even with open use cases

Sure would be nice if folks in your field had ever had a moment of self reflection of the greater societal impact of their work.

Maybe Stallman has had.

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