Article the Flowing Data post came from: http://griffsgraphs.com/2012/07/03/graphing-every-idea-in-history/ http://griffsgraphs.com/2012/07/03/graphing-every-id

Article the Flowing Data post came from: http://griffsgraphs.com/2012/07/03/graphing-every-idea-in-history/ http://griffsgraphs.com/2012/07/03/graphing-every-idea-in-hi...