Optimists maintain that the official statistics fail to capture marked quality-of-life improvements, which may be true, especially in the light of promising advances in biotechnology and online education. But this overlooks a much more important aspect of the productivity-measurement critique: the undercounting of work time associated with the widespread use of portable information appliances.
乐观派认为官方数字没有体现生活质量的显著改善，也许确实如此，特别是考虑到生物技术和在线教育等重大突破时。但这忽视了生产率衡量手段批评的另一个重要得多的角度：便携式信息设备的普及所带来的工作时间的低估。