Spotify opens up to app developers

Spotify announced Wednesday that outside developers can create applications for the popular online music service and unveiled partnerships with Rolling Stone, SongKick, TuneWiki and others.

Last.fm to start charging some music users

Last.fm, which provides music to online users like a jukebox, will start charging fans outside Britain, the United States and Germany from the end of the month, the London-based site's co-founder said.