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Mission Statement
To be Earth’s Most Customer-Centric Company Where People Can Find and Discover Anything
They Want to Buy Online
Visual Browse Experience
• How to define and measure?• Image parameters? Clicks? Hand curated?
Beautiful
• How to engage users?• Optimize for discovery or repeatability?• What products to show?
Engaging
Optimize for Users
• 244MM active accounts• 14 countries
Customers
• Personalized• What metric to optimize?• Milliseconds latency
Recommendation at scale
How to Diversify?
Challenges• How to learn ideal mix?• How to balance between diversity and
metric of interest?
Possible solutions• Determinantal Point Processes • Submodular Functions