User-generated contents and reasoning-based personalization: Ingredients for a novel model of mobile TV

► This paper describes a mobile TV system that broadcasts user-generated contents. ► Users gather in social networks where they create, annotate, rate and share audiovisual contents. ► The system provides interactivity via a 3G return channel and personalization functionalities. ► Mobile TV and Web 2.0 lead to a more personal and private TV experience than traditional broadcast.