many people don’t use them because they are so caught up in trying to understand the code in the most immediate way that they can. After all, spending time trying to understand something looks and feels suspiciously like not working. If we can get through the understanding bit very fast, we can really start to earn our pay. Does that sound silly? It does to me, too, but often people do act that way—and it’s unfortunate because we can do some simple, low-tech things to start work on a more solid footing.
