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E-book
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A user viewing an electronic page on an eBook-reading device
iLiad in sunlight
iLiad e-book reader equipped with e-paper display
An e-book (short for electronic book and also known as a digital book, ebook, and eBook) is “a portable electronic device used to download and read books or magazines that are in digital form.”[1] Sometimes the equivalent of a conventional printed book, e-books can also be born digital. The Oxford Dictionary of English defines the e-book as "an electronic version of a printed book,"[2] but e-books can and do exist without any print equivalent. E-books are usually read

ที่มา;http://en.wikipedia.org/wiki/E-book

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