Half the Sky hopes to attract one million users to its socially conscious game, taking advantage of the momentum begun with the book and documentary and leveraging the celebrities its on-boarded as ambassadors for the brand.

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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.

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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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