Which point-of-sale innovation has most significantly reduced medication dispensing errors in modern pharmacies?

Modern pharmacies have evolved significantly with technological advancements in their point of sale (POS) systems. These innovations have transformed how medications are dispensed, tracked, and sold while ensuring patient safety through various verification measures. How well do you know the cutting-edge POS technology that's revolutionizing medicine dispensing in pharmacies today?

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Barcode medication verification scanning systems that match prescriptions to inventory
Touchless payment systems using NFC and mobile wallet technology
AI-powered customer recommendation engines for OTC products
Cloud-based inventory management with automatic reordering