Abstract
Last.fm is a open content music community website and also an Internet radio station with music recommendation system based on each user's and friends' musical taste on the base of a collaborative filter. Objective of this site is to become the biggest music database completed by all users and developing communities for sharing musical taste. Last.fm was founded in 2002 by Felix Miller, Martin Stiksel, Michael Breidenbruecker and Thomas Willomitzer, all from Austria and Germany, as an internet radio station and music community site, using similar music profiles to generate dynamic playlists. The 'love' and 'ban' buttons allowed users to gradually customize their profiles. Last.fm won the Europrix 2002 and was nominated for the Prix Ars Electronica in 2003, before merging 2005 with Audioscrobbler.net's system, which is "system is a database that tracks listening habits and does wonderful things with statistics. It calculates relationships and recommendations based on the music people listen to." Now developed in 11 languages, Last.fm is becoming a worldwide music information sharing portal.
