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An in-depth guide to migrating from IAB Content Taxonomy 2.2 to 3.0 — with expanded CTV, podcast, game, and app categories, richer news classification, and a detailed taxonomy mapping strategy using descriptive vectors.
Content-taxonomy
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What changed between IAB Content Taxonomy 2.0 and 2.1: no categories were added or removed, but many nodes gained the new SCD (Special Category Data) extension and what that means for data handling in the supply chain.