Gives clear examples of efective synchronous online communications systems. They are Twitter and Meebo and schools are beggining to se IM as a learning tool rather than distracting.

The next step is video conferencing, or online tv. skype allows you to talk via video and autio and text with other people, and its free. Ustream is an example of online braodcast. They could all be used to the advatage of learning and tecahing, hence it establishes a good enough communication for learning or teaching

share anything with your peers. to talk about obama or history! there are great technologies where you can communicate effectively and therefore do anything just as if you were together. like a real connection.