Monthly Users According to Facebook - February 2012 Service Launch Date Monthly Users % Change Spotify Oct 2008 15,800,000 +20% Pandora Jan 2000 9,200,000 +3% SoundCloud Oct 2008 3,100,000 +24% Bandcamp Sep 2008 1,200,000 +21% Grooveshark Jan 2006 1,100,000 0% Slacker Jun 2007 150,000 0% MOG Dec 2009 140,000 -30% Rdio Aug 2010 100,000 +43% [...]

Update, April 8, 2013: Can you hear it? Take a watermark listening test. A while ago I posted about my confusion regarding Weird Spotify Compression Artifacts. It turns out the artifacts are not due to compression, but a result of audio watermarks that Universal Music Group embeds in digitally distributed tracks. The artifacts appear on [...]