This document discusses the evolution of surveillance systems from the panopticon concept to modern implementations. It describes three generations of surveillance: 1) the original panopticon prison design, 2) the adoption of CCTV cameras and data mining, and 3) emerging technologies that outsource surveillance to citizens and integrate monitoring into everyday devices. The key limitations of each generation are a lack of cohesion across disparate systems and limited data sharing between systems. Newer technologies aim to increase data capture, coupling of systems, and population monitoring to establish a more effective virtual panopticon.
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