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The new format looks something like this
Not sure why they are doing this. Any ideas?
more info: [analytics.blogspot.com...]
b)From the URL string it seems that now Google would be passing each click through its server therefore getting a more accurate data about the CTR for each site on specific keywords. This data might be useful for them to improve algo and enhance relevance in their organic results
c) They are passing much more information through the referrer string now. Though they have not clearly explained all the parameters in the new referrer string, I doubt that now they will also tell you the exact ranking for the website on a particular keyword through the params in the URL.