Which retail technology innovation was first implemented by Amazon in their Amazon Go stores, revolutionizing the in-store shopping experience?

In recent years, retail technology has dramatically transformed how consumers shop and how businesses operate. From cashierless stores to AI-powered inventory management, technological innovation continues to reshape the retail landscape. Test your knowledge about one of the most significant retail tech innovations that has changed the industry's trajectory and consumer expectations.

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Just Walk Out technology (cashierless checkout using computer vision and sensor fusion)
Smart shelves with dynamic pricing based on real-time demand
Augmented reality mirrors for virtual try-on experiences
Blockchain-based supply chain transparency system