New communication tools at disposal of teenagers renew the forms of the progressive emancipation towards family that results in the adhesion to youth culture and the appearance of teenage forms of sociability (DE SINGLY, 2006 ; PASQUIER, 2005). For some years, French teenagers massively adopted blogs as a social media. Indeed, for teenagers, blogs provided by the Skyblog platform take the form of a massive generational phenomenon. Through blogs, teenagers aim at staying in touch with their close friends, more than expressing their intimacy or sharing a hobby with unknowns (FLUCKIGER, 2006). Teenage Blogs are typical of “continuous communications”, one of the four type of blogs in the sociological typology of personal blogs (CARDON et DELAUNAT, 2006; CARDON et al., 2007) The rapid growth of the relational practices related to blogs encourages to question the uses.