Which packaging innovation revolutionized access to religious texts in the 15th century?

Throughout history, religious texts have evolved not just in content but in their physical presentation and packaging. From ancient scrolls to modern digital formats, the way sacred writings are presented reflects both technological capabilities and theological considerations. This poll tests your knowledge about how religious texts have been packaged, preserved, and presented to followers across different faith traditions and time periods.

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Gutenberg's movable-type printing press, which made mass production of Bibles possible
The introduction of vellum pages, replacing papyrus scrolls for durability
Illuminated manuscripts with gold leaf decoration for royal collections
The development of the codex (bound book format) replacing scrolls