tedster - 7:30 pm on May 31, 2012 (gmt 0)
The real question, and I presume the reason for this thread, is to figure out how they are doing this.
Yes - both how and under what conditions. It's certainly not a common situation, from what I can see. I've been checking into apparent examples for several years now, and they often seem to evaporate under inspection. The challenge involves geographically localized results, personalized results, on and on.