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eInk keeps state without power. The Kindle displays famous authors and book covers when it's off. The side-effect of this, you can measure battery life in mostl
by yan 17y ago
eInk keeps state without power. The Kindle displays famous authors and book covers when it's off. The side-effect of this, you can measure battery life in mostly 'page-turns' as it uses power to update the display, but not while you're reading.