A quarter of a century ago, a public debate raged over CCTV cameras. Did they actually reduce crime? Would they usher in a Big Brother society? Meanwhile, some deep thinkers were looking further ahead: what would happen when this sort of technology became much smaller, cheaper and more widely available?
25年前，公众曾就闭路电视监控摄像头展开激烈争论。它们真的能减少犯罪吗？它们会不会催生一个“老大哥”社会？与此同时，一些深思熟虑的思想家则展望未来：当这种技术变得体积更小、更便宜、更普及时，会发生什么？
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