Quote:
Originally Posted by Suzanna
With an e-ink screen, you don't have to worry about image burn.
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Just to elaborate, eInk isn't made of light, so there's nothing to burn. When you see pixels on the screen it's just the 'ink' that's moved to the surface so you can see it. When there's no black pixels (so where it's white), the 'ink' is at the bottom. Nothing moves or vibrates, it just sits there. That's why it doesn't cost any energy to stay the way it is. The only time the 'ink' uses energy is when the screen changes.
So there's no difference in screen or 'ink' 'wear and tear' between using the smiley guy or the book cover in sleep and/or off mode. Which you display is up to personal taste. I prefer to see the book cover, as it reminds me of what book I'm reading (not that I'd forget, it's just nice to see), and it makes the reading experience a lot more like real paper books, where you'd also see the cover when you close the book. Plus, seeing the cover is (as far as I know) unique to the Kobo devices. It makes the Kindles look silly with their standard screen savers
