By Kyle Bylin, author of Promised Land: Youth Culture, Disruptive Startups, and the Social Music Revolution. Edison Research, a New Jersey-based market research firm, introduced its “Share of Ear” study in June 2014, where it showed the share of everything in the audio space. For the first time, the amount of time that people spend listening to broadcast radio, streaming music services, and owned music, among other audio sources, could be compared side by side. In January 2015, Edison Research announced an important finding from its latest “Share of Ear” study: American teens now spend more time with streaming music...

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