googlenews Posted December 6, 2018 Report Share Posted December 6, 2018 Firefly Emerges From Stealth With $21.5M In Funding To Put Billboards On Top Of Uber And Lyft Cars ForbesGet ready to see billboards on the backs of Ubers as Firefly gets $21.5 million to expand its roving advertising network. View the full article Quote Link to comment Share on other sites More sharing options...