Firefly is expanding its ad business in New York City by acquiring the out-of-home business of Strong Outdoor, as well as by becoming the advertising partner for fleet operator Sally. Firefly launched in 2018 by offering Uber and Lyft drivers a digital display that they could place at the top of their vehicles, making extra … Continue reading Rideshare and taxi ad startup Firefly acquires Strong Outdoor’s out-of-home ad business