Unpacking Apple's alternative ID block; Walmart forces agents through Sparky
Apple is blocking identity-resolution services in WebKit via dynamic rules, a move distinct from ATT as it does not favor an Apple ad network.
Mobile Dev Memo
By Eric Seufert
Latest issues
Meta’s GenRecs Tokenization; Netflix earnings
Meta’s GenRecs Tokenization uses Semantic IDs to enable generative retrieval and unify ad ranking within LLM-native recommendation systems.