Which innovative pricing strategy, introduced around 2007-2008, revolutionized the publishing industry by dramatically lowering e-book prices to a specific price point that became standard?

The publishing industry employs fascinating pricing strategies that influence how books become bestsellers. From 'psychological pricing' to 'prestige pricing,' publishers carefully calibrate price points to maximize both sales and perceived value. This trivia tests your knowledge of a significant pricing shift that transformed book marketing in the digital age. How well do you understand the economics behind the books on your shelves?

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Amazon's $9.99 price point for Kindle bestsellers
Barnes & Noble's '$5 under $5' campaign for paperbacks
Apple's iBooks '$12.99 standardization' model
The 'Half-Price New Releases' strategy by Borders