Schwab, Klaus. The Fourth Industrial Revolution. New York: Crown Publishing Group. 2017  [2017-06-29]. ISBN 9781524758875. 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 [...].
^Schwab, Klaus. The Fourth Industrial Revolution. World Economic Forum. January 11, 2016. ISBN 1944835008.
Schwab, Klaus. The Fourth Industrial Revolution: what it means, how to respond. World Economic Forum. [2017-06-29]. The possibilities of billions of people connected by mobile devices, with unprecedented processing power, storage capacity, and access to knowledge, are unlimited. And these possibilities will be multiplied by emerging technology breakthroughs in fields such as artificial intelligence, robotics, the Internet of Things, autonomous vehicles, 3-D printing, nanotechnology, biotechnology, materials science, energy storage, and quantum computing.