People can’t get enough of digital audio, it seems. Whether it’s podcasts, audio articles, streaming audio, online radio, or audiobooks, there is more listening and more time spent consuming through ears than ever before. With a cheap cost of entry and constantly increasing listenership, more and more brands and publishers are turning to the audio landscape to establish a foothold in a medium that can expand their reach, engage their audiences, and create more revenue. Naturally, advertisers are