Introduction
To enhance Hulu's personalized recommendations to better reflect viewers' changing interests over time, we need to focus on creating a dynamic, adaptive system that continuously learns and evolves with the user. I'll outline a comprehensive approach to address this challenge, considering user behavior, technological capabilities, and business objectives.
Step 1
Clarifying Questions
Why it matters: Determines the baseline and potential areas for improvement Expected answer: Collaborative filtering and content-based recommendations using viewing history and user profiles Impact on approach: Would focus on enhancing existing algorithms vs. implementing entirely new systems
Why it matters: Helps understand the pace of interest changes and the window for adaptation Expected answer: Users watch 2-3 hours daily, with noticeable shifts in genres every 3-4 months Impact on approach: Would influence the frequency of recommendation updates and the weight given to recent vs. historical data
Why it matters: Identifies areas where improved recommendations could have the most significant impact Expected answer: Content library and user experience are strengths, while personalization lags behind some competitors Impact on approach: Would prioritize closing the gap in personalization while leveraging existing strengths
Why it matters: Determines whether to optimize for new user onboarding or long-term engagement Expected answer: Mature product with slowing growth, focusing on retention and increasing engagement Impact on approach: Would emphasize evolving recommendations for long-term users and increasing watch time
At this point, you can ask interviewer to take a 1-minute break to organize your thoughts before diving into the next step.
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