The 2000 book "Bowling Alone: The Collapse and Revival of American Community" by Robert Putnam goes into some detail on this topic: https://books.google.com/bo

The 2000 book "Bowling Alone: The Collapse and Revival of American Community" by Robert Putnam goes into some detail on this topic: https://books.google.com/books/about/Bowling_Alone.html?id=rd2ibodep7UC https://books.google.com/books/about/Bowling_Alone.html?id=r...