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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 If you answered Amazon, we’ll see you in summer school, because Sony’s e-readers outdated the Kindle by years.

Earlier this week the U.S. Patent and Trademark Office granted new patents to Apple Inc. that hinted at intriguing hardware features, including wraparound touch displays and foldable screens.