Every major digital-media company -- Facebook, Apple, Google and Microsoft, just to name a few -- insists that it is also a mobile-media company.
But one has a better claim to that title than probably any other: Pandora, where more than 80% of listeners use the service on their mobile devices. It is by far the most heavily indexed major U.S. media property on mobile devices, according to a recent study from data analysis firm ComScore.