Thought I would post this if it help.
I was running around 1.++ % CTR dropped down to 0.30 CTR last mo that is when google sent me the message.
Did you make any design changes other than replacing the 120x600 skyscraper with the 160x600 wide skyscraper?
Did your traffic sources change? Did you see a major boost in traffic from social bookmarking or social networks?
Submit Your Webmaster Related Sites to the NB Directory
I swear, by my life and my love of it, that I will never live for the sake of another man, nor ask another man to live for mine.
Also I am getting a few from Bing that I have never had before.
But this should be a good thing right more people should mean more ad clicks not less?