Which innovative POS feature did Nike first implement in its flagship stores that revolutionized the sports retail checkout experience?

The sports retail landscape has undergone massive transformation with technology integrating into every aspect of the business. Point of sale (POS) systems in sporting goods stores and stadiums have evolved from simple cash registers to sophisticated platforms that enhance the fan and customer experience. Test your knowledge about how modern POS systems are revolutionizing the sports retail industry!

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Mobile checkout allowing staff to process payments anywhere in the store using smartphone devices
Biometric payment authentication requiring fingerprint verification for all purchases
Automated self-checkout kiosks with built-in product authentication technology
RFID-enabled checkout that automatically scans all items when walking through a payment gateway