alt Hacker NewsI'm not sure which precipitous less than a decade drop you are referring to, but I would be inclined to think, in the last decade, a period of social isolation and absence of education might have been a factor.
I'm not sure which precipitous less than a decade drop you are referring to, but I would be inclined to think, in the last decade, a period of social isolation and absence of education might have been a factor.