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Some of our posts include links to retailers. If you buy something from clicking on one, G/O Media may earn a commission. Because editorial staff is independent of commerce, affiliate linking does not influence our editorial content.
Pop quiz: which big company was the first to popularize electronic paper e-readers with consumers by making it easy to find and load ebooks and other digital documents? If you answered Amazon, we’ll see you in summer school, because Sony’s e-readers outdated the Kindle by years.