http://www.alleyinsider.com/2008/9/when-algorithms-attack-
how-googlebot-and-tribune-and-some-idiot-killed-united-air-
lines-stock Excellent timeline of the chain of events that led United Airlines’ stock to plunge from $12 to $3 on the strength of a false news story that it had filed for bankruptcy. (A old undated Chicago Tribune article made it onto the most viewed stories page via Google News.) 11:02