11.23.25 | Browser fingerprinting privacy issues, Inducing smells with ultrasound, Challenges in agent design

Hacker News Highlights · Nov 23, 2025 · 11m

This is a recap of the top 10 posts on Hacker News on Nov 23, 2025.

Feel free to leave feedback on Github: https://github.com/denolfe/hacker-news-highlights

(00:00) - Intro

(00:19) - The privacy nightmare of browser fingerprinting

(01:27) - We Induced Smells With Ultrasound

(02:31) - Agent design is still hard

(03:46) - Meta buried 'causal' evidence of social media harm, US court filings allege

(05:03) - China reaches energy milestone by "breeding" uranium from thorium

(06:21) - Show HN: Forty.News – Daily news, but on a 40-year delay

(07:17) - A monopoly ISP refuses to fix upstream…