The still - neglected situation?

<jats:p>Summary: Current research on cooperation at work feeds on conceptual and theoretical innovations which have appeared in the study of cognitive social activities. This article attempts to gauge such innovations. It focuses in particular on the problematics of 'situated action', 'distributed cognition' and operability of objects, of which it emphasizes both the interest and the difficulties. It shows that the rediscovery of the environment and context does not mean that the situation is no longer neglected. </jats:p>