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- Computer technology seems to have this curious effect on many people: it makes at least some of us feel that we are doing things that, in point of fact, the computer itself is doing, and doing according to the instructions of people who have certain highly developed skills that most of us do not have. When this happens to me — or, more precisely, when I realize that it has happened to me — I feel as though I had temporarily convinced myself that I am the Wizard of Oz; I’ve forgotten that I’m just a little man hiding behind an enormous shield of technology that, in this case, I didn’t even make myself.