Originally Posted by Ankh
Now, considering the perfectly probable emergence of high-resolution, full-colour screens for mobile devices a decade from now, do you go with the maximum resolution (and quality) for materials that you scan, future-proofing your publication? Lossless compression?
And how do you deal with the problem of a 10KB ebook that grows to 100KB just because you've put a cover image into it? A cover image is, after all, purely ornamental and has no semantic value.
I suspect that a more radical solution will have to be found in the end. We might end up including lo-res images in the ePub itself, with links to high-quality ones. Some sort of intelligent loader could then replace the images if the ePub were being loaded into a high-resolution device.