A report by accountants, Price Waterhouse Cooper (PwC), predicts that as many jobs will be created by artificial intelligence (AI) than will be lost. AI, according to Klaus Schwab, is part of the fourth industrial revolution/second machine age. It builds upon the third industrial revolution (i.e the digital revolution), which began during the 1980's, in which the world moved from analog technologies and mechanical devices to digital technology (i.e. The fourth industrial revolution will, says Schwab, involve the fusion of physical, digital, and biological technologies, brought about by advances in nanotechnology, robotics, quantum computing, biotechnology, 3D printing, blockchain, the internet of things (IoT), autonomous vehicles, and yes – artificial intelligence. Schwab asserts that this industrial revolution is greater in scale, impact, and complexity than anything that has proceeded it, and will have a profound impact on all areas of society.