Lead the card with the measured result

README.md

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 # lethe: live demo
 
+**Memory server for AI agents that learns which memories help. On a hand-written held-out test of 36 questions the right memory ranks first 86% of the time and in the top 3 every time (small, paraphrase-heavy test; see Limits).**
+
 Store a few memories, ask a question, and mark which recalled memories helped.
 This runs the real [lethe](https://github.com/shaikn6/lethe) Go server inside the Space.