摘要：AbstractThe use of technologies in didactics raises several issues that deserve to be further examined both to support teachers’ reflections about the effects of daily use of the Internet on students of, and to rethink teaching methods. The didactical triangle represented by teaching, learning and knowledge and the concept of the learning contract are revisited by the social nets that develop on the web when students and teachers interact with resources created by the whole community and not only by the teacher. Both the dynamics between the participants and the results of the knowledge construction processes are changing and create a “hyperbolic space” characterised by relational circles of different range.
关键词：Web 2.0;enactive approach;teacher/student relations;futile and useful;friend
