Efficiency only makes sense as a concept if you establish the context it's measured in. Geeks tend to fixate on efficiency in the time/cost dimension, but ther

Efficiency only makes sense as a concept if you establish the context it's measured in. Geeks tend to fixate on efficiency in the time/cost dimension, but there are many other dimensions in which something can be efficient. And efficiency in those other dimensions is why many given systems exist as they do.