Google's TurboQuant Just Took the 30-Result Cap Off RankBrain
Google Research published TurboQuant on March 24, 2026, a quantization algorithm that compresses vector embeddings about 4x with near-zero indexing time. That cost cut matters because Pandu Nayak testified under oath that RankBrain runs only on the final 20 to 30 candidate pages because it's too expensive to