Email gets students in touch with their peers and creates real reasons for writing. MOO gives you direct contact with your peers in real time. You develop skills that you will need for teaching online. MOO immerses students in the target language, while giving them the sensation of talking rather than just reading and writing. The WWW is a great source of information and resources for teachers.
Students can publish their own work and have a genuine audience of millions.
They can develop a sense of the ease with which public opinion can be shaped through the medium of publishing.