Spark

What song should I listen to? Let your feet decide.

Spotify helps runners run to their music, not just with it.
Spotify's new running feature suggest music based on how fast you're moving. (Spotify)

This episode first aired in June 2015.

There's a new crop of digital tools that point to new directions in listening -- like Google Weav, which lets you adjust the speed but not the pitch of a track, and to a next-generation of recommenders -- like Spotify's recent announcement about a new feature that recommends music to match your running pace.

Tristan Jehan explains the technology, and what it means for the future of recommendation engines and contextual computing.