Perhaps many of you have never seen a wiki before. It is one of the best ways to develop collaborative activities on the Internet. It is has a long tradition in the area of CALL and ESP (English for Specific purposes) in general.
There are many free tools o create a wiki but we are using Wikispaces (free if used for educational purposes).
All you have to do by now is introduce yourselves in the wiki frontpage forum and in he one that appears in your group.