If you are remotely connected with a JPEG file (which is basically the most common format of a digital photo) and feeling a bit geeky this article is just right to discover more.
It does get a bit technical but has some revealing facts like..
It’s fun to think about how similar computers are to our brains, but this is also a useful analogy because it illustrates how much the meaning of data—whether carried through a body by nerves or stored in a computer—relies on how you interpret it.
This means that our eyes are much better at detecting changes in brightness than they are at detecting changes in color. If we can separate the color from the brightness, we can remove a bit of the color without anyone noticing.
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