Take a look at this color E Ink e-reader - the Kaleido pocketbook:
Some readers might be thinking about Stanislaw Lem's opton from Return from the Stars.
The books were crystals with recorded contents. They can be read the aid of an opton, which was similar to a book but had only one page between the covers. At a touch, successive pages of the text appeared on it.
Scroll down for more stories in the same category. (Story submitted 6/15/2021)
Technovelgy (that's tech-novel-gee!)
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A System To Defeat AI Face Recognition
'...points and patches of light... sliding all over their faces in a programmed manner that had been designed to foil facial recognition systems.'
Smart TVs Are Listening!
'You had to live -- did live, from habit that became instinct -- in the assumption that every sound you made was overheard...'