Large language models (LLMs) like GPT-4 can identify a person’s age, location, gender and income with up to 85 per cent accuracy simply by analysing their posts on social media.
But the AIs also picked up on subtler cues, like location-specific slang, and could estimate a salary range from a user’s profession and location.
Reference:
arXiv DOI: 10.48550/arXiv.2310.07298
You could guess California, software dev, 55K/year and be right like half the time.