Which technological innovation is widely credited with enabling the first true omnichannel retail experiences in the early 2010s?

In the evolution of retail, technological innovations have transformed how brands connect with consumers. One pivotal development forever changed the retail landscape by seamlessly integrating the physical and digital shopping experience. Test your knowledge about this significant invention that revolutionized retail strategy and consumer behavior, creating what we now know as omnichannel retail.

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QR code integration with mobile payment systems
Cloud-based unified commerce platforms
RFID inventory tracking technology
Augmented reality fitting rooms