“However, by the end of the 1960s, computers with led screens had become relatively mainstream.” What? Sixties? Anyway, I've read a lot of materials about rea

“However, by the end of the 1960s, computers with led screens had become relatively mainstream.” What? Sixties? Anyway, I've read a lot of materials about readability and some authors provide very different recommendations. A lot of subjective opinions that are supported by questionable researches. Perception of text changes and you simply cannot use the same methods evaluating people from different generations or cultures. In USSR for example all books for children MUST BE printed using sans-serif fonts because some “scientists” decided that serif fonts are harder to read for kids.