"demonstration to poke fun at himself. "A word that's sometimes used to describe me is 'mercurial,' " he said, then paused. The audience laughed knowingly, especially those in the front rows, which were filled with NeXT employees and former members of the Macintosh team. Then he pulled up the word in the computer's dictionary and read the first definition: "Of or relating to, or born under the planet Mercury." Scrolling down, he said, "I think the third one is the one they mean: 'Characterized by unpredictable changeableness of mood.' " There was a bit more laughter. "If we scroll"