Recently we have seen a shift of focus in using the Internet from often inappropriate human-computer interactivity to human-human interaction, based on collaborative learning concepts like learner autonomy and tandem learning. The renewed discussion of interface design has provoked a reconsideration of me traditional graphical user interface and a shift towards more intuitive interfaces like virtual reality, mainly building on the concept of constructionism. The MOO (multi-user domain, object oriented) system provides a flexible, easy-to-use multiple user virtual reality that allows for the integration of language learning tools and resources in a common environment, a third place.