The idea that many people will own smartphones but not PC's, and use phones for everything but calling sometimes, somewhat characterizes the nature of progress, as Schmidt later told Fareed Zakaria.
One could posit that there are other takes on the idea of "Revolution" that the authors don't consider, as in the notorious NBC television series.
Update: June 2
Julian Assange wrote a stinging op-ed about this book in the June 2 New York Times. It's titled "The Banality of 'Don;t Be Evil" and has link here.