https://cozyan.github.io/writing/ Yan Liang builds thoughtful products and writes about technology, life, and stories. https://cozyan.github.io/writing/what-is-a-vector-database/ https://cozyan.github.io/writing/what-is-a-vector-database/ Tue, 25 Aug 2026 12:00:00 GMT A simple look at how computers work with meaning instead of exact words. https://cozyan.github.io/writing/downward-freedom-and-the-silent-wasteland/ https://cozyan.github.io/writing/downward-freedom-and-the-silent-wasteland/ Tue, 08 Apr 2025 12:00:00 GMT A reflection on freedom, dignity, and the cost of treating every human choice as a market transaction. https://cozyan.github.io/writing/the-ones-who-applaud/ https://cozyan.github.io/writing/the-ones-who-applaud/ Tue, 18 Mar 2025 12:00:00 GMT A short story about the people who cheer, the people who stay silent, and the distance between them.