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by Animats 1540 days ago
That's the problem. This is an obvious product. You've been able to buy digital picture frames at WalMart for a decade. But the price point for E-Ink displays is insane.

There's another persistent display technology, cholesteric displays. These seem to have disappeared. Sparkfun used to sell small ones.[1]

[1]https://www.sparkfun.com/datasheets/LCD/LCD-09560-25075g_240...