The movie "Tron" was a big success, and a good time was had by all. I do want to be clear: I do not think a game can be a good use of one's time. I do not think a game can be a good use of the time of a person who is not a game player. I do think a game can be a good use of a person who is a game player, but a game is not a good use of a person who is not a game