DTF:HN for February 26, 2026

Your Daily Tech Feed covering the top 10 stories on Hacker News for February 26, 2026. Featuring: Show HN: Terminal Phone – E2EE Walkie Talkie from the Command Line, Google API keys weren't secrets, but then Gemini changed the rules, Anthropic ditches its core safety promise, Show HN: Agent Swarm – Multi-agent self-learning teams (OSS), Fentanyl makeover: Core structural redesign could lead to safer pain medications, and more. Stories covered: 1. Show HN: Terminal Phone – E2EE Walkie Talkie from the Command Line https://gitlab.com/here_forawhile/terminalphone HN discussion: https://news.ycombinator.com/item?id=47164270 2. Google API keys weren't secrets, but then Gemini changed the rules https://trufflesecurity.com/blog/google-api-keys-werent-secrets-but-then-gemini-changed-the-rules HN discussion: https://news.ycombinator.com/item?id=47156925 3. Anthropic ditches its core safety promise https://www.cnn.com/2026/02/25/tech/anthropic-safety-policy-change HN discussion: https://news.ycombinator.com/item?id=47165397 4. Show HN: Agent Swarm – Multi-agent self-learning teams (OSS) https://github.com/desplega-ai/agent-swarm HN discussion: https://news.ycombinator.com/item?id=47165046 5. Fentanyl makeover: Core structural redesign could lead to safer pain medications https://www.scripps.edu/news-and-events/press-room/2026/20260211-janda-molecule.html HN discussion: https://news.ycombinator.com/item?id=47165299 6. Jimi Hendrix was a systems engineer https://spectrum.ieee.org/jimi-hendrix-systems-engineer HN discussion: https://news.ycombinator.com/item?id=47157224 7. Tell HN: YC companies scrape GitHub activity, send spam emails to users HN discussion: https://news.ycombinator.com/item?id=47163885 8. Banned in California https://www.bannedincalifornia.org/ HN discussion: https://news.ycombinator.com/item?id=47159430 9. How will OpenAI compete? https://www.ben-evans.com/benedictevans/2026/2/19/how-will-openai-compete-nkg2x HN discussion: https://news.ycombinator.com/item?id=47158975 10. Number of UK workers on zero-hours contracts hits record high ahead of crackdown https://www.bbc.co.uk/news/articles/czj1m7d4gxpo HN discussion: https://news.ycombinator.com/item?id=47165060