Which retail innovation of the 1450s dramatically transformed how religious texts were distributed to the public?

Throughout history, religious texts have been among the most published and distributed products in the world. Their printing, distribution, and sales have shaped retail practices and consumer experiences for centuries. This poll explores an interesting fact about the retail history of sacred texts that revolutionized how people accessed spiritual knowledge. Test your knowledge about this fascinating intersection of faith and commerce!

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Gutenberg's printing press, which made Bibles affordable for middle-class households for the first time
The establishment of Vatican-approved bookshops, which standardized Biblical text across Europe
The introduction of subscription-based Bible study materials delivered monthly to homes
The creation of illuminated manuscript cooperatives that reduced production costs by 60%