It depends at what font size you're reading. With large fonts (ie, regular ebooks), it takes maybe 10-20 minutes for contrast to get annoyingly bad. For teeny tiny fonts (ie, pdfs), it takes less than a minute for the text to become considerably harder to read. Often, this is quicker than the time for me to do the actual reading. Even 10s after a page turn there is a noticeable decline in quality in a situation where you're trying to get all the readability you can.
anyway, a more interesting use would be to quickly page turn using 1-bit mode and then follow up with 2-bit refreshes to regain antialiasing and images. At the extreme, a 1-bit page turn without the negative-positive transition (and with precaching) would be less than 1/4 of a second! I'm drooling already... (the point here being to easily flip through pdf non-fiction. again, regular ebooks are fine as is.)
Last edited by alex_d; 03-28-2007 at 06:31 AM.
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