Various systems and methods described above permit a user's content experience (e.g. music playing experience) to be monitored and for metadata describing this experience to be collected. This metadata can be dynamically updated as a user experiences media content and then used to impart to the user...http://www.google.es/patents/US20030182254?utm_source=gb-gplus-sharePatente US20030182254 - Methods and systems for providing playlists
Número de solicitud: 10/103,676 Número de publicación: US 2003/0182254 A1 Fecha de presentación: 21 Mar 2002 Patente emitida: US7096234 ( Fecha de emisión 22 Ago 2006)
