A long time ago, I was at a client's site, and had to write code at a dumb terminal in the middle of the sales floor (I said this was a long time ago). One of

A long time ago, I was at a client's site, and had to write code at a dumb terminal in the middle of the sales floor (I said this was a long time ago). One of the salesmen walked by and saw me typing up a storm. Impressed, he said, "Is there, like, a big chart that you have memorized?" I said, "No, I just make it up as I'm typing it." That explanation seemed to work well enough.