plus interest makes a big difference, if have no interest in sport and politics but more in the science area. So I am not gonna look stuff like that up, and even IF you are exposed to certain things you wont retain the information.
Well that was it basicly. If they would have added, who wears a tophat. Has a toy named after him. Had (allegedly?) wooden teeth (and something with an appletree???) I would have known a few more. That is about as far as my knowledge of the presidents go. I can name quite a lot of them, cause sometimes you see the names and some of them stick. But a lot of the extra knowledge you only know if you look it up/read something specefically about the subject
many people dont consciously realise the content is being generated based on what they have looked for/at before. So when they keep finding the same thing they think there must be some truth to it, cause I keep finding it everywhere.
so worldviews/ opions keep on being reaffirmed and a lot of segregation happens. Instead of equal acces to each part of the truth one point gets highlighted and very skewed views arise. And people get convinced of their own created assumed (or copied) truths