This Map Shows When 2 People Play the Same Song at the Same Time

The music-streaming service Spotify unveiled an online map called “Serendipity” on Thursday that shows when people in different cities are listening to the same song at the exact same time — or at least within a tenth of a second of each other — regardless of the city, timezone or hemisphere.

The project, based on real-time data, was created by interactive artist Kyle McDonald, the company’s first media artist in residence.

“There are so many ways we’re connected to each other, but sometimes we forget, or we just can’t see it,” McDonald said on Spotify’s blog. “In person, it’s easy to see the features we share, or when we share stories in online discussions. But we’re also connected in more ephemeral ways, and we can extract these relationships with new tools. Even though listening to music can be a very private experience, I wanted to see how often this experience is shared.”

Check out Serendipity here.