@leigh Well that is one piece that I’ve not studied formally but I’ve just always been interested in how systems work. I can remember being a little girl and the phone book has this whole automated system that you could call into to get information about city services. I would call in and go through the whole tree entering all these different codes to figure out how it all worked. It would give you information about how to deal with a down wire or when garbage day was - but it was not the content that I was interested in so much as the structure of the information and what I needed to do to get to it. I did the same thing using a CB radio but that was much more messy as there were communities on the CB (hobbyists and truckers etc…) and the systems were more social.
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