Most people do not know this exists, but it certainly does. And some people live higher in it than others.
A value chain can be considered analogous to a food chain, an idea that has been around for a while. Organisms higher in the food chain eat more valuable food.
This does not mean organisms lower in the food chain (such as Plants) are not valuable. In the last analysis, everything depends on them.
They change sunlight into food that grows more plants.
Software changes human ideas into more Software.
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