Recently discussed prompts:

https://news.ycombinator.com/item?id=48727059 [flagged] What any website can see about you

https://news.ycombinator.com/item?id=48062178 A web page that shows you everything the browser told it without asking

https://news.ycombinator.com/item?id=49182352 Show HN: Modern Browsers Don't Need the Cookie Anymore

https://news.ycombinator.com/item?id=46517654 [flagged] Show HN: DevicePrint – device fingerprinting without cookies

https://news.ycombinator.com/item?id=46037031 Show HN: Explore what the browser exposes about you

https://news.ycombinator.com/item?id=45169286 Browser Fingerprint Detector

https://news.ycombinator.com/item?id=49359153 A live browser fingerprinting and bot detection playground

https://news.ycombinator.com/item?id=46674460 Show HN: Anti-Detect.com – Browser Fingerprint Scanner

There are definitely more! Could this be HN's favourite prompt?