摘要：This communication has for objective to present the analysis of a situation of
communication to distance, connected to a collaborative platform of education.
It will thus attempt to describe, an experiment led in professional training to distance using a forum
and to track down the effects of sharing and casting the information on the users and on the situation
itself.
We shall present, at first the reference frame of our experience and in a second time its frame as a
practice by giving orientations of answers to the question: in what the student or the teacher is changed
by a situation of communication called "forum" and mutually
