There was also the more acute unfairness in the fact that, just after he was diagnosed, the digital world he had helped to bring about came into full flower. “Oddly enough, I don’t think he even realized what it turned into. . . . He would have been absolutely astounded,” Betty said. And he would surely have been pleased by the 1993 announcement of codes whose speed finally approached, but did not break, the Shannon Limit, had the news found any purchase on him.