On
September 16, 29-year-old “Essam” and a group of friends blanketed
lower Manhattan with posters designed to look like official New
York Police Department signage. “Drones: Protection When You Least
Expect It,” read the slogan below simple ideograms of families
running from unmanned aerial vehicles. Essam and his team disguised
themselves as employees of the outdoor advertising firm Van Wagner,
which manages the advertising space on bus stations and kiosks
throughout the city. All told, they swapped out about 100 ads,
writes Katherine Mangu-Ward.

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