Talk about expensive typographical errors. DSC Communications in Plano, Tex., has confirmed that a single mistyped character in some software -- a "6," to be exact--helped trigger extensive local phone outages last summer in the Washington, Pittsburgh, and Los Angeles areas. The "6" was typed in place of a "D" in software that helps set up phone calls, DSC confirmed.
Before it's here, it's on the Bloomberg Terminal. LEARN MORE