this post was submitted on 27 Feb 2026
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Privacy
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This smells like snake oil
Isn’t it just fingerprinting but for text?
So even if you had a nice well attributed vector database for encoder only search (fancy AI fingerprinting), there’s going to be a lot of false positives.
Yes, you can keep digging to find more revealing details, but the haystack of where you cross reference to/from gets harder to use. Plus, you assume their other profiles match their interests, which for Hacker News probably works, but if I want to find arbitrary people I doubt it.
So this all comes down to how many breadcrumbs do you leave on the internet. Someone could use this to correlate my Steam username and PSN username, but neither actually link to my other accounts.
yeah with billions of people on the internet idk how you separate the noise on this, especially if you dont mention your location ever