I've found this link about somethig I´ve never heard (in spanish, but links are in english)
http://www.lacoctelera.com/macadamia/post/2006/05/27/aapetece-unconference-
I've found this link about somethig I´ve never heard (in spanish, but links are in english)
http://www.lacoctelera.com/macadamia/post/2006/05/27/aapetece-unconference-
There are news about this (in spanish, sorry)