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

Throughout history, religious goods and sacred items have been marketed and sold in fascinating ways. From ancient marketplaces near temples to modern online stores, the retail experience for spiritual products has evolved dramatically. This trivia question explores an innovative retail customer experience specifically designed for religious consumers that changed how people access spiritual products.

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Gutenberg's printing press, which dramatically reduced the cost of Bibles from years of monk labor to mass production
The Vatican's subscription-based illuminated manuscript service that delivered handwritten texts monthly
Buddhist temple scroll dispensaries that operated on a coin-based vending system
Islamic marketplace stalls featuring the first branded packaging for Quran fragments