I think we are on the verge of seeing Penguin 4.0 launch soon at Google - I think we are just about there. I know, I know, it's been a while. I have seen some chatter in the industry, on and off chatter, over the past 12 hours or so, that people are noticing some drastic changes with the Google search rankings on and off. It can be nothing, it can be a blip, it can be a different algorithm or it can be people making stuff up - but it also can be Google testing Penguin 4.0 to a limited set of searchers. The folks at WebmasterWorld over the past 12 hours or so have been asking about it: JS Harris, a senior Webmaster World member said: I have a small list of 10 distinct keywords for my site that I check when I wonder if a major update has occurred. The bottom few results on page one generally come and go but the top spots stay immortal. They stay there, that is, until there is a major update. I'm only ever mildly surprised when I see a would be con