DTF:HN for March 9, 2026

Your Daily Tech Feed covering the top 10 stories on Hacker News for March 9, 2026. Featuring: US Court of Appeals: TOS may be updated by email, use can imply consent [pdf], Fontcrafter: Turn Your Handwriting into a Real Font, Agent Safehouse – macOS-native sandboxing for local agents, Microscopes can see video on a laserdisc, PCB devboard the size of a USB-C plug, and more. Stories covered: 1. US Court of Appeals: TOS may be updated by email, use can imply consent [pdf] https://cdn.ca9.uscourts.gov/datastore/memoranda/2026/03/03/25-403.pdf HN discussion: https://news.ycombinator.com/item?id=47305461 2. Fontcrafter: Turn Your Handwriting into a Real Font https://arcade.pirillo.com/fontcrafter.html HN discussion: https://news.ycombinator.com/item?id=47306655 3. Agent Safehouse – macOS-native sandboxing for local agents https://agent-safehouse.dev/ HN discussion: https://news.ycombinator.com/item?id=47301085 4. Microscopes can see video on a laserdisc https://www.youtube.com/watch?v=qZuR-772cks HN discussion: https://news.ycombinator.com/item?id=47291876 5. PCB devboard the size of a USB-C plug https://github.com/Dieu-de-l-elec/AngstromIO-devboard HN discussion: https://news.ycombinator.com/item?id=47294582 6. Ask HN: What Are You Working On? (March 2026) HN discussion: https://news.ycombinator.com/item?id=47303111 7. We should revisit literate programming in the agent era https://silly.business/blog/we-should-revisit-literate-programming-in-the-agent-era/ HN discussion: https://news.ycombinator.com/item?id=47300747 8. Every single board computer I tested in 2025 https://bret.dk/every-single-board-computer-i-tested-in-2025/ HN discussion: https://news.ycombinator.com/item?id=47260812 9. FrameBook https://fb.edoo.gg HN discussion: https://news.ycombinator.com/item?id=47298044 10. Show HN: Mcp2cli – One CLI for every API, 96-99% fewer tokens than native MCP https://github.com/knowsuchagency/mcp2cli HN discussion: https://news.ycombinator.com/item?id=47305149