Which groundbreaking marketing campaign is credited with transforming book promotions by being the first to extensively use viral internet marketing for a major literary release?

The publishing industry has evolved dramatically in how books are marketed to readers. From traditional press tours to innovative digital campaigns, publishers and authors have had to adapt their promotional strategies to capture attention in an increasingly crowded marketplace. This poll explores a significant turning point in book marketing history that changed how literary works reach their audiences. Test your knowledge about the evolution of book promotion strategies!

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The 'Deathly Hallows' campaign for J.K. Rowling's final Harry Potter book (2007)
Stephen King's digital release of 'Riding the Bullet' as the first mass-market e-book (2000)
Dan Brown's 'The Da Vinci Code' interactive puzzle campaign (2003)
Stephenie Meyer's 'Twilight' social media fan engagement strategy (2005)