A New Olympics Event: Algorithmic Video Surveillance

As skiers schussed and swerved in a snow park outside Beijing during the 2022 Winter Olympics, a few may have noticed a string of towers along the way. Did they know that those towers were collecting wavelengths across the spectrum and scouring the data for signs of suspicious movement? Did they care that they were the involuntary subjects of an Internet of Things–based experiment in border surveillance?

This summer, at the Paris Olympic Games, security officials will perform a …

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