"Computer warfare, Sharon. Warfare between corporations, waged by releasing tailored virus codes into a competitor’s system. Some technohistorians suggest that the crash virus might have been designed for such a task, judging by its preference for highly encrypted files." He paused. "In any case, it seems undeniable that your file contains research into technology lost in the crash. And that, of course, might explain the megacorps’ sudden activity. If one zaibatsu has recovered important lost technology, it might represent a sufficiently great competitive advantage that other megacorporations would risk corporate war to get it for themselves."