For the default home screen, Amazon's relying a lot more heavily on images, taking advantage of that increased pixel count with a row of three book covers, each of which represent your recent picks.

ENGADGET: Amazon Kindle Paperwhite review

Taking a page out of The Monkees' book, Bieber has taken advantage of this time in the limelight, releasing a memoir, a movie, appearing on "CSI: Crime Scene Investigation, " and touring, all while making music.

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