Which innovative point-of-sale feature did Mardel Christian & Education stores implement in 2018 that revolutionized their customer experience?

Religious bookstores, gift shops, and places of worship often incorporate unique retail design elements that enhance the spiritual shopping experience. Beyond just selling products, these spaces aim to create an atmosphere that aligns with their spiritual values while still functioning as effective retail environments. This trivia question explores how one major religious retail chain innovated their point-of-sale system to better serve their community.

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Scripture-based receipt messages that change seasonally with religious calendars
Charity rounding system allowing customers to donate change to faith-based organizations
Prayer request submission option integrated into the digital payment process
Denominational preferences tracking to customize product recommendations