![](http://upload.wikimedia.org/wikipedia/commons/thumb/3/3f/Cybernetic_factory.svg/638px-Cybernetic_factory.svg.png)
One day I need to write about the distinction between systems and networks - I remember getting all tied up into knots with Scott Wilson over this when he was channeling Stafford Beer. This post is about a more recent systems model, the Dick and Carey model. It's interesting to compare the Beer diagram (above) with the Dick and Carey diagram and with the Warlick diagram (below).
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] [![Image from the website](https://downes.ca//files/images/post_48490.jpg)