A Denver ad tech entrepreneur who racked up accolades and fast growth at his first startup is at it again. Jeremy Ostermiller, founder and ex-CEO of Denver-based Altitude Digital, has been named CEO of Edison Interactive, a Denver company aiming to put hundreds of thousands of internet-connected video displays for advertising in taxi cabs and ride-sharing vehicles. "Our goal is to be in all the U.S. Ubers, Lyfts and taxis," Ostermiller said, adding that by the end of the year it should have...