August 7, 2009 by George Eberstadt
Most of the books I “read” these days are audio books. Last year, that included Charlene Li and Josh Bernoff’s excellent Groundswell. (Here it is on Audible.) As a result, I missed this extraordinary chart, and just discovered it today. So it’s not exactly breaking news. But even if you’ve seen it before, it’s worth a second look.