Which machine learning technique did Nike's 2019 NYC flagship store use to create its 'Nike Live' personalized shopping concept based on local customer data?

The sports retail industry has been revolutionized by machine learning and data analytics. Major sports brands and retailers are now using sophisticated algorithms to predict trends, optimize inventory, and create personalized shopping experiences. Test your knowledge about how machine learning is transforming the sports retail landscape and giving companies a competitive edge in this multi-billion dollar industry.

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Collaborative filtering to recommend products based on similar customer profiles in the neighborhood
Reinforcement learning to optimize store layout based on foot traffic patterns
Computer vision to track which products customers touch but don't purchase
Natural language processing to analyze social media sentiment about products in the local area