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On this day
April 21
31 links saved on April 21 in 10 years; 25 with a note, 16 in a Weekly Thing.
2026
- Dad brains: How fatherhood rewires the male mind
- Daring Fireball: 'Community Letter From Tim'
- Introducing Claude Design by Anthropic Labs
- Headless everything for personal AI
- Changes in the system prompt between Claude Opus 4.6 and 4.7
- Wikiwise — Build your own Wikipedia
- On Ada, Its Design, and the Language That Built the Languages
- Cloudflare Email Service: now in public beta. Ready for your agents
- OpenAI’s New Codex App Has the Best ‘Computer Use’ Feature I’ve Ever Tested