> This study is based on results from 244 Danish participants That's a small learning set. I suppose now that it's on HN front page, they will get significant

> This study is based on results from 244 Danish participants That's a small learning set. I suppose now that it's on HN front page, they will get significant amount of data to tune their model across cultures and nationalities. Hypothetically, wouldn't it be easier for them to train their model using the portfolio images of public figures like actors/politicians etc for whom I'm sure there would be tremendous amount of subjective description online.