Experienced search marketers know Google rewards high Quality Score ads with more Impressions and punishes low-QS ads with fewer. Or, maybe they don't.
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hymseoHit Your Market LtdInfluentialhttp://bit.ly/hFb5hP - This is good: Does Google Reward High Quality Scores with More Impressions?
thesearchagentsThe Search AgentsTSA's Bradd Libby asks, "Does Google Reward High Quality Scores with More Impressions?" with some interesting results http://ht.ly/3WaR9