The last decade of the twentieth century and the first two decades of the twenty-first have witnessed a dramatic transformation of our society in lifestyle and human connectivity. In perusing my writings spanning this quarter century, I encountered both a lecture presented at the 1995 Marconi Society Symposium as well as my most recent, the 2019 Armstrong Lecture delivered at Columbia University. The two previously unpublished texts are provided in Appendices A and B.

中文翻译：

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数字无线的影响：戏剧性转型的两端观点

20 世纪的最后十年和 21 世纪的前二十年见证了我们社会在生活方式和人际关系方面的巨大转变。在阅读我跨越这 25 年的著作时，我遇到了 1995 年马可尼学会研讨会上的演讲以及我最近在哥伦比亚大学发表的 2019 年阿姆斯特朗演讲。附录 A 和 B 中提供了之前未发表的两篇文本。