Which mobile commerce innovation, first widely implemented in 2014, revolutionized in-store checkout by allowing customers to make purchases without physically presenting payment cards?

The retail landscape has undergone dramatic transformations in recent decades. From brick-and-mortar dominance to omnichannel experiences, innovations have continually reshaped how consumers interact with brands. This trivia question focuses on a pivotal mobile commerce innovation that revolutionized the retail customer journey and set new standards for checkout experiences. Test your knowledge of retail technology milestones that have fundamentally changed shopping behaviors worldwide.

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Near Field Communication (NFC) mobile payment systems like Apple Pay
QR code-based payment apps like WeChat Pay
SMS payment confirmation systems
Biometric payment verification (fingerprint/facial recognition)