The Old New Thing

Why is the Close button in the upper right corner?

Chris wants to know how the close button ended up to the right of the minimize and maximize/restore buttons. "In OS/2, it is on the left, which left the two other buttons in place." I don't know why the Close button went to the upper right instead of going to the left of the other buttons, but I'm going to guess. (That's what I do around ...