Google's official blog announces that its change in formula is now live -- the one that considers an ad's maximum CPC rather than its actual CPC when determining ranking. "Since announcing this improvement to the top ad placement formula, we've received lots of questions from advertisers who are curious about how their accounts may be affected. Advertisers with ads in or near a top spot may begin to see a change in the average number of clicks these ads receive, and also in their CPCs," the blog reads. "The degree to which your clicks and CPCs may be impacted will depend on a number of factors, so it's difficult to say today how much of a difference you can expect to see. Therefore, rather than making adjustments now based on assumptions, you may want to monitor your account as-is for the next few days or weeks to see how much of a true impact the improved formula will have."
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