Clay Shirky, author of Cognitive Surplus: Creativity and Generosity in a Connected Age, eminds us: "In the history of print, we got erotic novels 100 years before we got scientific journals, and complaints about distraction have been rampant; no less a beneficiary of the printing press than Martin Luther complained, 'The multitude of books is a great evil. There is no measure of limit to this fever for writing.'"
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