Neil Lin Essays and notes on systems, ideas, and learning. https://xlin.dev/ en Wed, 02 Sep 2026 00:00:00 GMT Interesting concepts Ideas I find useful in understanding new info https://xlin.dev/writing/interesting-concepts/ https://xlin.dev/writing/interesting-concepts/ Wed, 02 Sep 2026 00:00:00 GMT Types of smart people Problem-solving intelligence vs directional intelligence. https://xlin.dev/writing/types-of-smart-people/ https://xlin.dev/writing/types-of-smart-people/ Wed, 05 Aug 2026 00:00:00 GMT