Which product innovation is credited with dramatically increasing Bible accessibility and was called 'the most important invention of the second millennium' by some religious historians?

Religious texts have been at the forefront of publishing innovation throughout history, from handwritten scrolls to digital platforms. This trivia question explores a pivotal product innovation moment that revolutionized how religious texts were distributed and consumed, making them more accessible to the general public and transforming religious practice worldwide.

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Gutenberg's movable type printing press (1450s)
The Tyndale New Testament translation (1526)
YouVersion Bible App (2008)
The Jerusalem Bible illustrated edition (1966)