Which groundbreaking product launch strategy did Bloomsbury Publishing use for the fourth Harry Potter book that revolutionized book release events in 2000?

The world of literary publishing has been transformed by various marketing and product launch strategies throughout history. From the serialization of novels in Victorian magazines to modern digital book launches, publishers have constantly innovated to capture readers' attention. This trivia question explores a pivotal moment in literary product launch history that changed how books reached the public and created unprecedented buzz in the publishing world.

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The midnight release party, where bookstores opened at 12:01 AM with themed events and costumes
The chapter-by-chapter weekly digital serialization on the early internet
The secret manuscript delivery system using armored trucks that generated media coverage
The international synchronized reading event where fans read the first chapter simultaneously worldwide