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Build quality and size: While most ebook readers are made of plastic, some feel better than others in your hands.Anything lower will mean less crisp text and images. Screen quality: We gave preference to devices with a pixel density of 300 dots per inch, the highest available in any ebook reader and what most models offer.(Unlike tablets such as the iPad, ebook readers use a side-lighting system that provides a glow across the screen, rather than from behind it.) Because this feature is so prevalent, we didn’t test any readers without it. Built-in lighting: Most e-readers provide their own light for reading in dark environments.
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