Posts with tag "personalization"

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2 posts in total

Why Cold Start Caps Growth Before Users Return

New users arrive with zero history. Algorithms default to what's popular - which on educational platforms means beginner content. An expert sees elementary material three times and leaves. The personalization that retains power users actively repels newcomers. This is the fourth constraint in the sequence.

13 December 2025 •

#machine-learning
#personalization
#cold-start
#microlearning

Dual-Source Revenue Engine: OpenRTB & ML Inference Pipeline

Implementing the dual-source architecture that generates 30-48% more revenue by parallelizing internal ML-scored inventory (65ms) with external RTB auctions (100ms). Deep dive into OpenRTB protocol implementation, GBDT-based CTR prediction, feature engineering, and timeout handling strategies at 1M+ QPS.

20 October 2025 •

#distributed-systems
#real-time-bidding
#personalization
#ml-inference
#ads-tech