For those who didn't get the reference, "Bowling alone" refers to an influential 1995 essay and a book by Robert Putnam about the decline of social capital in t

For those who didn't get the reference, "Bowling alone" refers to an influential 1995 essay and a book by Robert Putnam about the decline of social capital in the United States since 1950: https://en.wikipedia.org/wiki/Bowling_Alone https://en.wikipedia.org/wiki/Bowling_Alone.