Which marketing innovation helped propel J.K. Rowling's 'Harry Potter and the Deathly Hallows' to break records with 8.3 million copies sold in its first 24 hours?

In the world of book publishing and literary arts, marketing strategies have evolved dramatically over the centuries. From traditional book tours to innovative digital campaigns, publishers have found increasingly creative ways to connect readers with authors. Test your knowledge of how famous literary works were marketed throughout history and how these strategies revolutionized the industry.

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Midnight release parties at bookstores worldwide, creating a global synchronized cultural event
The first-ever augmented reality app that let readers scan pages to see animated scenes
A revolutionary subscription model where readers received chapters weekly by mail
Interactive billboards in major cities that displayed real-time sales numbers as they climbed