Which point-of-sale innovation was first widely adopted by religious bookstores in the early 2000s that allowed them to compete with mainstream retailers?

Religious bookstores have evolved significantly in their retail strategies over the past decades. From traditional brick-and-mortar shops to sophisticated omnichannel experiences, these specialized retailers have adopted various innovations to engage spiritually-minded consumers. This poll tests your knowledge about a significant point-of-sale innovation that transformed how religious bookstores operate and serve their communities.

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Integrated scripture reference databases that could instantly suggest complementary spiritual texts based on purchases
RFID-enabled prayer cards that unlocked special digital content when scanned at checkout
Denomination-specific loyalty programs with tiered blessing points for regular customers
Charitable donation kiosks that rounded purchases up to support religious missions