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	<title>Michael Gracie &#187; exchange</title>
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	<pubDate>Tue, 02 Dec 2008 19:53:44 +0000</pubDate>
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		<title>Don&#8217;t need web ads, but still need bacon</title>
		<link>http://michaelgracie.com/2007/05/29/dont-need-web-ads-but-still-need-blts/</link>
		<comments>http://michaelgracie.com/2007/05/29/dont-need-web-ads-but-still-need-blts/#comments</comments>
		<pubDate>Tue, 29 May 2007 20:43:43 +0000</pubDate>
		<dc:creator>Michael Gracie</dc:creator>
		
		<category><![CDATA[Office]]></category>

		<category><![CDATA[commodities]]></category>

		<category><![CDATA[exchange]]></category>

		<category><![CDATA[online advertising]]></category>

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		<description><![CDATA[The latest&#8230;online advertising exchanges are beginning to mirror commodities exchanges.  Exchanges, however, seem to work best when there is a scarcity of resources.  I don&#8217;t see any scarcity in the online ad realm, as the &#8220;real estate&#8221; has a marginal cost near zero, and delivery isn&#8217;t guaranteed (users can block ads).
The mirror must [...]]]></description>
			<content:encoded><![CDATA[<!-- sphereit start --><p>The latest&#8230;online advertising exchanges are <a href="http://online.wsj.com/article/SB118040318502016746.html">beginning to mirror commodities exchanges</a>.  Exchanges, however, seem to work best when there is a scarcity of resources.  I don&#8217;t see any scarcity in the online ad realm, as the &#8220;real estate&#8221; has a marginal cost near zero, and delivery isn&#8217;t guaranteed (users can block ads).</p>
<p>The mirror must need cleaning.</p>
<!-- sphereit end -->]]></content:encoded>
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