Which product innovation in the 1450s most dramatically transformed access to religious texts and eventually led to widespread Bible ownership?

The Bible is the world's most published book, but its journey into mass production revolutionized religious access and practice. This poll explores a fascinating moment in religious publishing history that transformed how people engaged with sacred texts. Test your knowledge about this pivotal product development that democratized religious literature and changed spiritual practice for generations to come.

This is a live public trivia poll on AIPolls.Net. Vote and see real-time results.

Gutenberg's movable type printing press
The development of vellum paper production
The introduction of leather-bound personal devotionals
The Vatican's official Latin Vulgate mass production