Adtech veteran outlines the personalization blueprint: segments, features, real-time routing
jonathanmendez · x · 2026-11-05
Adtech practitioner Jonathan Mendez lays out his blueprint for personalized models: (1) segments feed the model (group info), (2) features describe each row (individual info), (3) routing and retrieval supply real-time context — summarized as "mixture of experts, long Meta," implying Meta is building its ad personalization stack this way. A condensed opinion piece at the intersection of adtech and AI.
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