[ojosilva]

Too complex. If I had the time and resources I'd love to work on a good internet "captcha" system for age verification. Basically training ML with responses from different age groups to certain patterns, text or imagery - not sure what exactly. It would not be perfect, one cannot classify "18 year old" accurately across the globe, but I'm quite sure a good AI, somehow, could get a ballpark maturity answer that would block age-sensitive content in the majority of cases, which would be much better than what we have now.

[Gigachad]

I don't think it's possible with any acceptable accuracy. If it's based on culture and media, you would be excluding anyone who didn't grow up in the local area. If its some kind of IQ/competency test, there would be too much overlap between the most mature kids and mentally impaired adults.

There would be close to no accurate test for the difference between an 17 year old and an 18 year old.