Cold-start to personalized feed transition
WHAT IT TESTS: graceful handling of sparse early signal. OUTLINE: start with popularity or onboarding-declared interests, collect implicit signals like dwell and clicks, then blend toward personalized as confidence grows.
WHAT IT TESTS: whether you can design a feed that works with no history and improves smoothly as signal accrues. ANSWER OUTLINE: bootstrap with a popularity-based or trending feed, optionally seeded by onboarding-declared interests; collect implicit signals such as clicks, dwell time, completes, skips, and explicit ratings; gradually blend personalized scores with the popularity baseline, weighting personalization more as interaction confidence grows.
Read the original → interview
- #cold-start
- #recommendations
- #personalization
- #feed-ranking
- #implicit-signals
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