Spotify is off to a strong start, with a source telling All Things D the company has signed 1.4M...

|By:, SA News Editor

Spotify is off to a strong start, with a source telling All Things D the company has signed 1.4M U.S. users for its free service, and 175K for its subscription service. Pandora (P) has to be a little nervous about Spotify's growth, and to the extent its users stop relying on iTunes as their primary PC music software, so does Apple (AAPL). (previously)