Summary article with examples. By Elsa Schelin, e-learning Magazine, February 6, 2001.
Today: 1 Total: 35 [Share]
] [![Image from the website](https://downes.ca//files/images/post_1380.jpg)
Content-type: text/html
Today: 1 Total: 35 [Share]
] [
Stephen Downes, Casselman, Canada
stephen@downes.ca