This doesn't match the original poster's question, but does the topic.
My wife said there's a whole community of people who fly a lot and love bargain fare shopping. I think they have their own website. When an airline makes an error and posts a fare for some crazy low amount the people of that board will post so people can get in on it before it's corrected.
Sorry I have to be so vague!
“Most men lead lives of quiet desperation and go to the grave with the song still in them.” --Henry David Thoreau