Which technological innovation was FIRST successfully implemented in e-commerce, fundamentally changing how consumers shop online?

Test your knowledge about groundbreaking discoveries and innovations that transformed the world of online shopping! The e-commerce landscape has evolved dramatically since its inception, with several key technological breakthroughs that changed how we buy and sell products online. Can you identify the true pioneer that revolutionized the industry?

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One-click purchasing (patented by Amazon in 1999)
Product recommendation algorithms based on browsing history (2002)
Mobile-optimized shopping platforms (2005)
Augmented reality product visualization (2010)