https://haoran.dev/fun/blogNotes on software architecture, reliable systems, and practical engineering.en-usTue, 03 Mar 2026 00:00:00 GMThttps://haoran.dev/fun/blog/thoughts-on-ai-and-educationhttps://haoran.dev/fun/blog/thoughts-on-ai-and-educationTue, 03 Mar 2026 00:00:00 GMTAI changes how we learn forever.https://haoran.dev/fun/blog/greatest-accessibility-issues-in-building-softwarehttps://haoran.dev/fun/blog/greatest-accessibility-issues-in-building-softwareTue, 17 Feb 2026 00:00:00 GMTNo. It's not about color contrast or font sizes.