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	<title>Comments on: Risk in online advertising</title>
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	<link>http://yardley.ca/2005/12/12/risk-in-online-advertising/</link>
	<description>greg yardley on online product management</description>
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		<title>By: Gautam</title>
		<link>http://yardley.ca/2005/12/12/risk-in-online-advertising/comment-page-1/#comment-472</link>
		<dc:creator>Gautam</dc:creator>
		<pubDate>Mon, 19 Dec 2005 10:13:13 +0000</pubDate>
		<guid isPermaLink="false">http://yardley.ca/merge/?p=191#comment-472</guid>
		<description>Hi Greg,

Good stuff to take home. My concern is, with the move towards CPC and CPA model,what happens to CPM model? For a publisher CPM works in his favor and how will you attribute a sale ( after viewing the banner ) taking place 2 weeks later?

Cheers..
Gautam

P.S. http://www.clickz.com/news/article.php/3571686

My blog that raises another question.</description>
		<content:encoded><![CDATA[<p>Hi Greg,</p>
<p>Good stuff to take home. My concern is, with the move towards CPC and CPA model,what happens to CPM model? For a publisher CPM works in his favor and how will you attribute a sale ( after viewing the banner ) taking place 2 weeks later?</p>
<p>Cheers..<br />
Gautam</p>
<p>P.S. <a href="http://www.clickz.com/news/article.php/3571686" rel="nofollow">http://www.clickz.com/news/article.php/3571686</a></p>
<p>My blog that raises another question.</p>
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		<title>By: Two Point Oh</title>
		<link>http://yardley.ca/2005/12/12/risk-in-online-advertising/comment-page-1/#comment-471</link>
		<dc:creator>Two Point Oh</dc:creator>
		<pubDate>Tue, 13 Dec 2005 09:05:21 +0000</pubDate>
		<guid isPermaLink="false">http://yardley.ca/merge/?p=191#comment-471</guid>
		<description>&lt;strong&gt;Online advertising - who takes the risk?&lt;/strong&gt;

Greg Yardley writes about the differences between risk in CPM, CPC and CPA in online advertising</description>
		<content:encoded><![CDATA[<p><strong>Online advertising &#8211; who takes the risk?</strong></p>
<p>Greg Yardley writes about the differences between risk in CPM, CPC and CPA in online advertising</p>
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		<title>By: Matthew Gertner</title>
		<link>http://yardley.ca/2005/12/12/risk-in-online-advertising/comment-page-1/#comment-470</link>
		<dc:creator>Matthew Gertner</dc:creator>
		<pubDate>Mon, 12 Dec 2005 17:32:18 +0000</pubDate>
		<guid isPermaLink="false">http://yardley.ca/merge/?p=191#comment-470</guid>
		<description>Great analysis, but you missed a couple of zeros on your &quot;billion-dollar question&quot;. ;-)</description>
		<content:encoded><![CDATA[<p>Great analysis, but you missed a couple of zeros on your &#8220;billion-dollar question&#8221;. <img src='http://yardley.ca/wp-includes/images/smilies/icon_wink.gif' alt=';-)' class='wp-smiley' /> </p>
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