Audio stats: streaming and online radio growth in the US

[Mary Meeker]’s presentation featuring data from Nielsen and Billboard shows that legal online streaming (on services such as Pandora and Spotify) is booming in the US, and appears to be eating into both digital and physical music purchases. […] The big story with Meeker’s graph is the seemingly negative effect streaming can be seen to have on digital and physical sales of tracks, but Edison Research’s analysis of iTunes Radio’s users is not so black and white. – Luke Richards, Econsultancy