On-line learning (or e-Learning)  is becoming more and more important. In many different forms. With or without a tutor at the "other end". With or without interactivity. With or without Infotainment / Edutainment.

The key factor is that you can use it whereever you are, as long as you have access to the Internet. And also that the owner of the site can update and enlarge it very fast and very easily.

Read more:  http://en.wikipedia.org/wiki/E-learning 

And try a couple of them:

http://www.wikiversity.org/ 

http://www.e-learningcentre.co.uk/

http://www.bbc.co.uk/learning/


Special sites on on-line learning in Communication:

http://www.iprimus.ca/~martha/distributed-education-resources.htm

http://www.liqmedia.com/solutions/elearning/elearning.asp


Another good example is On-line leaning on Europe for journalists:

http://www.eu4journalists.com/english/     (in 19 languages)