MasterXplinter - 3:10 pm on May 25, 2012 (gmt 0)
I'm not sure it's something to do with the Penguim udpate but since yesterday results are a bit strange for certain querries here in Brazil.
Results are changing on a speed I've never seen before. On the same machine logged out results are varying within hours. One time what I-m searching for is there the next gone to second or third page.