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+Existing popular search engines (Google, Bing) are sort of bad. Almost nobody is trying to fix this. [[https://exa.ai/|Exa]] is, but appears to have pivoted toward [[LLM agent]] systems, where they do not have an obvious comparative advantage, and make odd technical decisions such as using IVF/PQ (see [[Vector Indexing]]), apparently hosting things on AWS, and running off disk rather than out of RAM (limiting query throughput: see https://x.com/exaailabs/status/1859690195463045630).
+
+= What should a search engine do?
+
+The job of a search engine is to retrieve useful information for users. This is usually mostly inferred from/determined by the query, but most modern engines make some use of user history and data. How can a search engine work better?
+
+*. Better user intent modelling.
+*. Better information sources to retrieve from.
+*. Better search, search indexing and understanding of information sources.
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