Which modern subscription model feature was FIRST pioneered by religious organizations for distributing sacred texts in the 18th century?

Throughout history, religious organizations have employed various methods to distribute sacred texts and philosophical teachings. Today's subscription models for spiritual content have fascinating historical precedents. Test your knowledge about how religious institutions have managed the distribution of their teachings across different eras, and how modern subscription models compare to historical approaches in spreading religious wisdom.

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Tiered membership levels with progressive access to teachings
Pay-what-you-can sliding scale pricing structures
Bundling physical texts with digital commentary access
Automatic monthly renewal of study materials