 CBS News special report. An update to software meant to protect computers has led to outages worldwide. Many who rely on computers at work were sent home. Hotel guests were unable to check in. And flights have been cancelled in several countries, leading to long lines and unhappy flyers everywhere. It's terrible. People spend thousands of dollars to go on vacation or go home or go visit family. And this is the situation that we get put through. We're just kind of hanging out, waiting right now.