The Internet does not promote learning by itself as children and young people often use it passively. The teachers’ role is to help them interpret and analyze available information critically. The blog, as a means to deploy the concept of “on-line interaction” is, according to Granieri, “The most accessible and natural tool for sharing and publishing, in addition to text, images movies and also sound, will be increasingly disseminated, because of increasing speed of data transmission” (2006, p. 31). It is therefore natural that the use of the blog is more and more frequent as a resource, pedagogical strategy or other capacities at all levels of teaching (Gomes, 2005). In this paper, a case study is presented based on some blogs, focusing on: the methodology for collection of text and multimedia materials; treatment and analysis of data with the NVivo software; findings and further evolution perspectives. Read Full Text.