Which innovative retail technology did Amazon first introduce to revolutionize the e-commerce experience?

Amazon revolutionized retail with its data-driven approaches and customer-centric innovations. But which groundbreaking retail technology did they pioneer first? Test your knowledge about how major retailers have transformed the shopping landscape through technological innovation. This question explores a key milestone in modern retail history that changed how customers interact with online shopping platforms.

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One-Click Purchasing (patented in 1999)
Buy Now, Pay Later financing (introduced in 2007)
Voice-activated shopping assistant (launched in 2011)
Product recommendation algorithm based on purchase history (implemented in 2003)