Erik Brynjolfsson and Andrew McAfee's 'The Second Machine Age' examines the impact of digital technologies on the economy and society. The authors argue that we are in the midst of a second industrial revolution driven by advancements in computing power, artificial intelligence, and robotics. They explore the potential benefits and challenges of this revolution, including increased productivity, job displacement, and the need for new economic policies. Brynjolfsson and McAfee also discuss the importance of human skills and creativity in the face of automation.