Which AI innovation, first implemented in retail in 2013, revolutionized product recommendations by using neural networks to predict customer preferences with unprecedented accuracy?

Artificial Intelligence has transformed the retail landscape with groundbreaking innovations and discoveries. From personalized shopping experiences to predictive inventory management, AI has revolutionized how retailers operate and serve customers. This trivia question explores a pivotal moment in retail AI development that changed the industry forever. Test your knowledge of the technological breakthroughs that have shaped modern shopping experiences!

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Amazon's DSSTNE (Deep Scalable Sparse Tensor Network Engine)
Google's Wide & Deep Learning system
Alibaba's E-commerce Brain
Netflix-inspired Matrix Factorization with ReLU activation