I don't know what the share of revenue was, but they knew what everyone in the world was listening to live and they were selling that data: https://www.theatla

I don't know what the share of revenue was, but they knew what everyone in the world was listening to live and they were selling that data: https://www.theatlantic.com/magazine/archive/2014/12/the-shazam-effect/382237/ https://www.theatlantic.com/magazine/archive/2014/12/the-sha...