On October 20, 2009 Ubisoft announced an upcoming series of short movies to be broadcast via YouTube that will provide additional back story and the introduction of some of the characters found in the game. The shorts, called Assassin's Creed: Lineage will come in three parts and is being developed by Ubisoft’s Hybride Technologies who have previously worked on the films 300 and Sin City. The Lineage films are intended to focus upon Ezio's father, Giovanni Auditore da Firenze and are to be a mixture of live-action and computer generated imagery. The first of the films was released on October 27, 2009, and was available exclusively on YouTube for 24 hours.[29]