Spotify: You can listen to all the music for free—but you’re the real product

Spotify is increasingly owning up to its power.

At the Advertising Week Europe conference yesterday, the company’s VP of “global partner solutions,” Danielle Lee, spoke to a number of brands about the emerging-marketing opportunities coming out of audio data. “On social, you curate your social-media feed to create a picture of yourself, but music is about participating in your most vulnerable moments,” Lee said. She revealed just how closely Spotify tracks its users:

While ...