Which revolutionary product development in religious publishing first made the Bible widely accessible to the general public in the 15th century?

The digital age has transformed religious publishing and sacred text distribution dramatically. From ancient scrolls to smartphone apps, the journey of religious texts has been a fascinating evolution of technology meeting spirituality. This poll explores a pivotal moment in the product development history of religious texts that changed how billions of people access their sacred scriptures.

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Gutenberg's movable-type printing press, which reduced Bible production time from years to months
The development of vellum pages, which replaced fragile papyrus scrolls
The Complutensian Polyglot Bible, the first multilingual edition with parallel translations
The introduction of chapter and verse divisions, making specific passages easier to locate