The dot-com bubble of the late 1990s was a misestimate of the timing, not the magnitude, of the digital revolution. Likewise, Manyika and Baily argue that the much-discussed “Internet of Things” is probably some years away from showing up in aggregate productivity data.
20世纪90年代末的互联网泡沫错在算错了数字革命的时间而不是程度。类似地，曼尼卡和贝利指出，人们热议的“物联网”也许需要再过多年才能体现在给总生产率数据中。