JPEG 101: A Crash Course Guide on JPEG

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> modern operating systems recognize both .jpg and .jpeg

Modern operating systems have much more advanced methods to regocnize filetypes.

From web developer's perspective, I really hope JNG would gain more support, since it solves the biggest problem of JPEG, the lack of transparency support (so called "alpha-channel").

http://en.wikipedia.org/wiki/JPEG_Network_Graphics

24-bit PNG is often really impractical as a replacement for JPEG due to its huge filesize (for certain type of images).

The list of things to know about JPEG includes what the acronym means and how it is pronounced. If you're looking for a technical description, this isn't it.

> If you're looking for a technical description, this isn't it.

If only they'd made that clear in the title with something along the lines of "crash course".

"Crash course" doesn't explicitly mean non-technical. It could have included an overview of the encoding algorithm that doesn't go into perf improvements most commonly used.

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