Which retail innovation strategy, first implemented in the 1800s, revolutionized Bible distribution and made it one of the first 'mass market' religious products?

Throughout history, religious texts have undergone fascinating transformations in how they're produced, marketed, and distributed. From ancient scrolls to modern apps, the 'business' of religious literature represents one of humanity's oldest product categories. This trivia question explores an interesting moment in the retail innovation history of religious publishing that changed how people accessed sacred wisdom.

This is a live public trivia poll on AIPolls.Net. Vote and see real-time results.

The 'penny edition' Bible, which used industrial printing to create affordable versions sold in general stores rather than only through churches
The 'family heirloom' model, where Bibles were marketed as luxury items with customizable covers and family record sections
The 'subscription service' model, where religious texts were delivered monthly with accompanying study materials
The 'illustrated edition' strategy, which added engravings to make religious texts more appealing to semi-literate populations