Which packaging innovation from the 1450s revolutionized access to religious texts and contributed significantly to the Protestant Reformation?

Throughout history, religious texts have undergone fascinating transformations in how they're produced, packaged, and delivered to believers. From ancient scrolls to digital apps, the packaging innovations for sacred texts reflect both technological advancement and changing spiritual needs. This poll explores a significant packaging innovation that revolutionized access to religious texts. Test your knowledge about how product packaging intersects with religious history!

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Gutenberg's movable-type printing press, enabling mass production of affordable Bibles
The introduction of leather-bound codex formats with gold leaf embossing
Scroll storage tubes with humidity control for preserving papyrus texts
Illuminated manuscript techniques using specialized pigments resistant to fading