| Oyster, one of the leading ebook subscription services and recently launched ebook retailer, added an interesting new feature to their ebook app this past week called Lumin. With Lumin turned on, the Oyster ebook app will automatically adjust the amount of blue light that emits from your smartphone or tablet’s screen depending on the time […] |
Saturday, June 20, 2015
Oyster Adds Blue Light Filtering to eBook App
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