Digital audio is no shiny object. Listeners' passion for it is one reason savvy brands are incorporating it in their media mix. It's an "ideal canvas for brand building," according to one veteran media buyer. Another, a senior media executive for PepsiCo, said he is "so hot on audio" that his company is "doubling down" on the medium. These endorsements for digital audio — from Pandora for Brands' new "2020 Definitive Guide to Audio"— show that media buyers are as passionate about digital audio as the listeners they're trying to reach. Take the 2020 Definitive Guide to Audio tour here.