This is interesting, and can be sort of hard to really understand until the original examples are really internalized. In the end, we can say that everything is

This is interesting, and can be sort of hard to really understand until the original examples are really internalized. In the end, we can say that everything is change over some dimension, all systems have input and output. Everything is energy or matter, just like it is data or operations. I think these concepts and patterns are natural logical generalizations, and it's good to remember these patterns when beginning to analyze something, but ultimately it is moot and not helpful for any one specific task we are trying to solve. I can't play Angry birds on ENIAC, but that is what I may want to do, now.