alt Hacker NewsThe contrast improvement is welcome for sure, but it remains to be seen what difference 15% white reflectivity makes.
Previous Kaleido products are fundamentally flawed. I'd hoped they would bin it for something better rather than make incremental improvements. Think it's also debatable what value colour brings unless you are regularly reading full colour magazines, PDFs etc.
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50% contrast improvement is significant, but it’s from a base of only around 1:10, so will still be fairly low in absolute terms.
Bringing full colour _and_ high refresh rate would move these out of the eBook world into more into every day technology. There's definitely a market for colour eInk monitors, tablets, phones, etc. but the technology just isn't there yet. More and more people are wanting to disconnect from tech or at least minimize its addictiveness and a colour eInk screen would be a great step for people. That way they can still watch youtube, take photos, scroll their apps but the experience will feel less saturated and alluring.
If you don't want colour then any discussion about the shortcomings of this tech are moot, as you will use a display with much higher contrast.
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I use a black and white Boox tablet, I absolutely love it. I've had it for almost four years. My workflow includes reviewing documents, I annotate heavily. I wish I had just some yellow or orange for highlighting.
A colleague has the colour version of the same tablet, with a Kaleido 3 screen. It's terrible. It's unusable indoors without the backlight.