Architect a Multi-Touch Attribution System
Tests your grasp of data pipeline trade-offs under real-world signal loss. A great answer outlines the pipeline (ingest, store, model), contrasts last-touch (simple state) vs.
Tests if you can architect a data system while acknowledging severe real-world constraints like signal loss. A strong answer first outlines the data pipeline (ingestion, identity resolution, warehousing, modeling), then contrasts last-touch (simple, stores final event) with time-decay (complex, stores full event stream). Crucially, it must address that privacy changes have cut MTA signal by 40-70%, making data governance more critical than the algorithm.
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