Which retail innovation most significantly expanded the availability of religious texts to the general public in the 15th century?

Religious texts represent one of the oldest forms of retail products in human history. From ancient scrolls to modern digital apps, the business of selling religious and philosophical materials has evolved dramatically over centuries. This trivia question explores a fascinating turning point in how spiritual content was marketed and distributed to the masses. Test your knowledge about this intersection of faith, publishing, and retail innovation!

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Gutenberg's printing press and movable type technology
The creation of the first commercial bookstore chains by the Medici family
The establishment of subscription-based religious text delivery services
The introduction of illustrated religious texts with gold leaf embellishments