Which retail technology innovation first allowed religious communities to distribute sacred texts at a previously impossible scale and accessibility level?

The intersection of ancient wisdom and modern retail technology has transformed how religious texts and philosophical works reach spiritual seekers. From illuminated manuscripts painstakingly copied by hand to today's AI-powered recommendation engines suggesting your next spiritual read, the journey of sacred knowledge distribution has evolved dramatically. Test your knowledge about a groundbreaking retail technology advancement that changed how people access religious and philosophical content worldwide.

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Amazon's Kindle Direct Publishing platform (2007)
Gutenberg's printing press with movable type (1440s)
Barnes & Noble's NOOK e-reader platform (2009)
Apple's iBooks Store for religious publications (2010)