Compare: Schwab, Klaus (2017) [2016]. The Fourth Industrial Revolution. New York: Crown Publishing Group. ISBN 9781524758875. Truy cập 2017-06-29. Digital technologies [...] are not new, but in a break with the third industrial revolution, they are becoming more sophisticated and integrated and are, as a result, transforming societies and the global economy. This is the reason why Massachusetts Institute of Technology (MIT) professors Erik Brynjolfsson and Andrew McAfee have famously referred to this period as 'the second machine age,' [...] the title of their 2014 book [...].