我们在黎明的第四次工业革命,由其速度和体积,范围和规模,和系统的影响。这个新时代的基础是直接建立在成功的“数字电网”。The first three revolutions—defined by the introduction of steam and mechanization, electricity and computing, respectively—all had profound societal impacts, but they lacked the exponential rate of technological breakthroughs and complexity that define the fourth.