He [somebody at Carnegie Mellon University] had betrayed us. But he didn't just do it to us. Chances are he did it to you too. [Pointing at member of audience. ] And I think, mostly likely, he did it to you too. [Pointing at another member of audience. ][Laughter] And he probably did it to you as well. [Pointing to third member of audience. ] He probably did it to most of the people here in this room - except a few, maybe, who weren't born yet in 1980. Because he had promised to refuse to cooperate with just about the entire population of the Planet Earth. He had signed a non-disclosure agreement.