Seven Hacker News stories for 2026-03-30: LinkedIn uses 2.4 GB RAM across two tabs; Say No to Palantir in Europe; Nitrile and latex gloves may cause overestimation of microplastics; ChatGPT won't let you type until Cloudflare reads your React state; Voyager 1 runs on 69 KB of memory and an 8-track tape recorder; CSS is DOOMed; The Cognitive Dark Forest.