Which packaging innovation revolutionized access to religious texts in the 15th century, making them available to the general public for the first time?

Throughout history, religious texts have undergone remarkable transformations in their packaging and presentation. From ancient scrolls to modern digital formats, the way sacred writings are packaged reflects both technological advancement and changing spiritual practices. This trivia question explores a significant innovation in religious text packaging that revolutionized accessibility and transformed how people engage with their faith traditions.

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Gutenberg's movable-type printed Bible, which reduced production costs by over 90% compared to hand-copied manuscripts
Leather-bound codex format with gold leaf pages, making religious texts more durable and prestigious
Scroll tubes with wax seals, allowing for better preservation and controlled access to sacred writings
Illuminated manuscript covers with precious gems, signifying the divine nature of the enclosed texts