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E-readers are intended to serve as devices on which to read electronic books (e-books) and historically have only a single function. The main advantages of e-book readers over previous devices has been portability, the ability to read off-line, longer battery life, and easier-to-read screens, especially in bright sunlight. This is achieved by using electronic paper technology, which drastically reduces screen glare, making it easier to read text. Electronic paper is available only in black and white. However, newer e-readers are now being marketed that offer color, use a backlit screen, and have touch screen capabilities that function more like a tablet, ever blurring the line between e-reader and tablet. A Pew Research Center survey found that as of January 2014, 42% of adults owned tablet ...

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