An interactive billboard in Aurora, Ill., touts the Chevy Malibu on April 14, 2016. The sign uses vehicle recognition technology to identify competing sedans and display ads aimed at their drivers.
An interactive billboard in Aurora, Ill., touts the Chevy Malibu on April 14, 2016. The sign uses vehicle recognition technology to identify competing sedans and display ads aimed at their drivers. Abel Uribe TNS
An interactive billboard in Aurora, Ill., touts the Chevy Malibu on April 14, 2016. The sign uses vehicle recognition technology to identify competing sedans and display ads aimed at their drivers. Abel Uribe TNS

Smart billboards are checking you out – and making judgments

September 20, 2017 05:00 AM

UPDATED September 20, 2017 07:08 PM

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