Instruction: Describe how unsupervised learning techniques can be leveraged to enhance user experience and engagement on an e-commerce site.
Context: This question evaluates the candidate's ability to apply machine learning techniques in a business context to drive tangible improvements.
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I would use unsupervised learning where I want to discover structure that the business has not explicitly labeled yet. On an e-commerce platform, that could mean customer segmentation, product clustering, session-pattern discovery, anomaly detection in browsing behavior, or grouping search queries that reveal...