Exfm, a web music discovery service, formerly known as Extension Entertainment has officially gone mobile with its first mobile app released for iOS. Exfm was founded in March, 2010 in New York City. It started as a browser extension for Chrome that turns the entire web into your personal music library. Exfm runs in the background and indexes every MP3 file you come across while browsing. Exfm also continuously check the previously visited sites to fetch new music every day.
