There was an other device I remember from way back, just as old as the ebook. I don't have time to look it up. It consisted of a pad containing multiple metal pins under a rubber sheet. When a page was displayed, small actuators pushed the required pins up a milimeter or so. As binary as eink.
Quote:
paperback novel is doomed.
Braille on an e-book - now that will be something to feel....
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