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Quote-Filled Article on ClickFraud from ClickZ
"About 15 to 20 percent of all click activity is erroneous. Seventy percent of that is not by real people," Boyenger said, referring to bots designed by fraudsters to click on PPC ads. "The advertiser is the loser and the companies offering PPC are winning, and so are the affiliates."
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The Future of PPC prices by Kevin Lee of Did-It
The consensus is prices are high -- and will probably go higher. There's clearly a lot of anxiety about current prices; many marketers are already at their maximum level of discomfort, given the return on investment (ROI) or conversion metrics they'd like to hit for campaigns.
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Eye Tracking Study Shows 'Golden Triangle' for Search Results
The key location on Google for visibility as

determined by the eye activity in the study is a triangle that extends from the top of the results over to the top of the first result, then down to a point on the left side at the bottom of the “above the fold” visible results. This key area was looked at by 100 percent of the participants. In the study, this was referred to as the “Golden Triangle”. Generally, this area includes top sponsored, top organic results and Google’s alternative results, including shopping, news or local suggestions.
Posted by Craig Danuloff at March 6, 2005 2:01 PM