Kathy Sierra pretty much sums it up with this diagram:
Don't miss the dozens and dozens of comments (oh, how people respond to a good graphic!).
![](http://www.downes.ca/images/whatweteachflat.gif)
Don't miss the dozens and dozens of comments (oh, how people respond to a good graphic!).
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] [![Image from the website](https://downes.ca//files/images/post_36345.jpg)