The history in this book before the modern era was very interesting.  It supposes that writing came about for understanding debt.  Debt is more what someone is owed for their contributions than what someone owes for their usage.  The later idea of debt is more modern.  The creation of money in the modern world is a very interesting topic covered in this book.  I think that the way they show how bubbles are created and burst from ways groups can defraud certain groups.  It also points out something that I’ve been thinking about a lot lately.  There is a divide between those who understand and use the system that has come about, and those who choose to be used by the system.

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