Shirky clearly defines four major revolutions in media over the history of 500 years. Which of these do you feel are the most transformational in how journalists use personal and observational sources for reporting the news?

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yup its an addiction

throughout history, economists have always thought  ..

i believe it is the first choice (1.)

because the major theme is(“both the wild and civilization have rules.”)

and also as u said,( based on what buck learns within the call of the wild, "both the wild and civilization have rules".this is true of humans within society as well.