googlenews Posted December 6, 2018 Report Share Posted December 6, 2018 TechStartups.com Rooftop video ads bring extra cash for Uber, Lyft driversSan Francisco ChronicleShe turned off the Uber app and tailed the car for several blocks, eventually pulling over and running to speak to the driver. “I told him I really need extra money,” she said. The driver gave her a card for Firefly, a San Francisco startup that places ...Firefly Emerges From Stealth With $21.5M In Funding To Put Billboards On Top Of Uber And Lyft CarsForbesall 12 news articles » View the full article Quote Link to comment Share on other sites More sharing options...