How the smart marketers are targeting audiophiles

Hear that? Digital audio just arrived, with more than 180 million Americans streaming music, live radio, and podcasts every month. There are more ways to listen to audio content than ever, from smart cars to smartphones to smart speakers, which are now used by nearly one-in-five Americans.
With so many smart devices, smart marketers are beginning to follow suit. Although with so many options, it can be hard for advertisers to plan, buy and measure digital audio advertising in all of its forms an