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	<title>Comments on: Mozilla Online Advertising (Part 2) - Experiment Findings and Marginal Cost</title>
	<atom:link href="http://blog.mozilla.com/metrics/2007/12/20/mozilla-online-advertising-part-2-experiment-findings-and-marginal-cost/feed/" rel="self" type="application/rss+xml" />
	<link>http://blog.mozilla.com/metrics/2007/12/20/mozilla-online-advertising-part-2-experiment-findings-and-marginal-cost/</link>
	<description>When in doubt, sample it out...</description>
	<pubDate>Fri, 09 Jan 2009 08:07:02 +0000</pubDate>
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		<title>By: gayathriherath</title>
		<link>http://blog.mozilla.com/metrics/2007/12/20/mozilla-online-advertising-part-2-experiment-findings-and-marginal-cost/#comment-9579</link>
		<dc:creator>gayathriherath</dc:creator>
		<pubDate>Sun, 23 Mar 2008 21:35:13 +0000</pubDate>
		<guid isPermaLink="false">http://blog.mozilla.com/metrics/2007/12/20/mozilla-online-advertising-part-2-experiment-findings-and-marginal-cost/#comment-9579</guid>
		<description>Has anyone out there heard about WideCircles.com. It seems like a way better service then wasting money on PPC. Apparently they are using refering websites ( forums, blogs, wiki, etc. ) and have a viral word of mouth distributed approach to it. My friend told me he got around 100 visits from single post which cost him $0.40c. I am going to give them a try today . In case you are intrested here is it. http://widecircles.com?s=imt1</description>
		<content:encoded><![CDATA[<p>Has anyone out there heard about WideCircles.com. It seems like a way better service then wasting money on PPC. Apparently they are using refering websites ( forums, blogs, wiki, etc. ) and have a viral word of mouth distributed approach to it. My friend told me he got around 100 visits from single post which cost him $0.40c. I am going to give them a try today . In case you are intrested here is it. <a href="http://widecircles.com?s=imt1" rel="nofollow">http://widecircles.com?s=imt1</a></p>
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		<title>By: Another Mozilla Advertising Experiment - Bidding on Keywords &#60; Blog of Metrics</title>
		<link>http://blog.mozilla.com/metrics/2007/12/20/mozilla-online-advertising-part-2-experiment-findings-and-marginal-cost/#comment-3875</link>
		<dc:creator>Another Mozilla Advertising Experiment - Bidding on Keywords &#60; Blog of Metrics</dc:creator>
		<pubDate>Sat, 09 Feb 2008 00:37:09 +0000</pubDate>
		<guid isPermaLink="false">http://blog.mozilla.com/metrics/2007/12/20/mozilla-online-advertising-part-2-experiment-findings-and-marginal-cost/#comment-3875</guid>
		<description>[...] previously looked at an experiment with our online marketing programs here, here, and here. The results revolved around the interaction of regular (organic) search with paid search [...]</description>
		<content:encoded><![CDATA[<p>[...] previously looked at an experiment with our online marketing programs here, here, and here. The results revolved around the interaction of regular (organic) search with paid search [...]</p>
]]></content:encoded>
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		<title>By: Omie James &#187; Blog Archive &#187; Firefox Gets the Trial and Error Economy</title>
		<link>http://blog.mozilla.com/metrics/2007/12/20/mozilla-online-advertising-part-2-experiment-findings-and-marginal-cost/#comment-2304</link>
		<dc:creator>Omie James &#187; Blog Archive &#187; Firefox Gets the Trial and Error Economy</dc:creator>
		<pubDate>Sat, 12 Jan 2008 16:22:43 +0000</pubDate>
		<guid isPermaLink="false">http://blog.mozilla.com/metrics/2007/12/20/mozilla-online-advertising-part-2-experiment-findings-and-marginal-cost/#comment-2304</guid>
		<description>[...] the Firefox browser (which is great) understand the Trial ahd Error economy.&#160; They recently wrote up a description of an experiment they did in marketing their download web site. (Hat tip to Steve Levitt at [...]</description>
		<content:encoded><![CDATA[<p>[...] the Firefox browser (which is great) understand the Trial ahd Error economy.&nbsp; They recently wrote up a description of an experiment they did in marketing their download web site. (Hat tip to Steve Levitt at [...]</p>
]]></content:encoded>
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		<title>By: What did our advertising experiment really tell us? &#183; Get Latest Mozilla Firefox Browsers</title>
		<link>http://blog.mozilla.com/metrics/2007/12/20/mozilla-online-advertising-part-2-experiment-findings-and-marginal-cost/#comment-1591</link>
		<dc:creator>What did our advertising experiment really tell us? &#183; Get Latest Mozilla Firefox Browsers</dc:creator>
		<pubDate>Fri, 28 Dec 2007 02:47:49 +0000</pubDate>
		<guid isPermaLink="false">http://blog.mozilla.com/metrics/2007/12/20/mozilla-online-advertising-part-2-experiment-findings-and-marginal-cost/#comment-1591</guid>
		<description>[...] did our advertising experiment really tell us?        I did an admittedly poor job of framing my last post in its broader context. We set out to discover the true effect of paid search advertising on a [...]</description>
		<content:encoded><![CDATA[<p>[...] did our advertising experiment really tell us?        I did an admittedly poor job of framing my last post in its broader context. We set out to discover the true effect of paid search advertising on a [...]</p>
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		<title>By: What did our advertising experiment really tell us? &#60; Blog of Metrics</title>
		<link>http://blog.mozilla.com/metrics/2007/12/20/mozilla-online-advertising-part-2-experiment-findings-and-marginal-cost/#comment-1578</link>
		<dc:creator>What did our advertising experiment really tell us? &#60; Blog of Metrics</dc:creator>
		<pubDate>Thu, 27 Dec 2007 23:40:14 +0000</pubDate>
		<guid isPermaLink="false">http://blog.mozilla.com/metrics/2007/12/20/mozilla-online-advertising-part-2-experiment-findings-and-marginal-cost/#comment-1578</guid>
		<description>[...] Blog of Metrics When in doubt, sample it out&#8230;     &#60; Mozilla Online Advertising (Part 2) - Experiment Findings and Marginal Cost [...]</description>
		<content:encoded><![CDATA[<p>[...] Blog of Metrics When in doubt, sample it out&#8230;     &lt; Mozilla Online Advertising (Part 2) - Experiment Findings and Marginal Cost [...]</p>
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		<title>By: 1800blogger - Blog Directory of Industry Leading Blogs</title>
		<link>http://blog.mozilla.com/metrics/2007/12/20/mozilla-online-advertising-part-2-experiment-findings-and-marginal-cost/#comment-1566</link>
		<dc:creator>1800blogger - Blog Directory of Industry Leading Blogs</dc:creator>
		<pubDate>Thu, 27 Dec 2007 13:18:38 +0000</pubDate>
		<guid isPermaLink="false">http://blog.mozilla.com/metrics/2007/12/20/mozilla-online-advertising-part-2-experiment-findings-and-marginal-cost/#comment-1566</guid>
		<description>[...] put out the Firefox browser (which is great) understand the Trial and Error economy. They recently wrote up a description of an experiment they did in marketing their download web site. (Hat tip to Steve Levitt at [...]</description>
		<content:encoded><![CDATA[<p>[...] put out the Firefox browser (which is great) understand the Trial and Error economy. They recently wrote up a description of an experiment they did in marketing their download web site. (Hat tip to Steve Levitt at [...]</p>
]]></content:encoded>
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		<title>By: &#187; Firefox Gets the Trial and Error Economy Economist Blog: Discussing the economy from A to Z</title>
		<link>http://blog.mozilla.com/metrics/2007/12/20/mozilla-online-advertising-part-2-experiment-findings-and-marginal-cost/#comment-1565</link>
		<dc:creator>&#187; Firefox Gets the Trial and Error Economy Economist Blog: Discussing the economy from A to Z</dc:creator>
		<pubDate>Thu, 27 Dec 2007 13:17:44 +0000</pubDate>
		<guid isPermaLink="false">http://blog.mozilla.com/metrics/2007/12/20/mozilla-online-advertising-part-2-experiment-findings-and-marginal-cost/#comment-1565</guid>
		<description>[...] put out the Firefox browser (which is great) understand the Trial and Error economy. They recently wrote up a description of an experiment they did in marketing their download web site. (Hat tip to Steve Levitt at [...]</description>
		<content:encoded><![CDATA[<p>[...] put out the Firefox browser (which is great) understand the Trial and Error economy. They recently wrote up a description of an experiment they did in marketing their download web site. (Hat tip to Steve Levitt at [...]</p>
]]></content:encoded>
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		<title>By: a</title>
		<link>http://blog.mozilla.com/metrics/2007/12/20/mozilla-online-advertising-part-2-experiment-findings-and-marginal-cost/#comment-1325</link>
		<dc:creator>a</dc:creator>
		<pubDate>Sat, 22 Dec 2007 18:17:08 +0000</pubDate>
		<guid isPermaLink="false">http://blog.mozilla.com/metrics/2007/12/20/mozilla-online-advertising-part-2-experiment-findings-and-marginal-cost/#comment-1325</guid>
		<description>Fifth grade math does not an analysis make. While the approach is good, the mathematical/statistical analysis is pathetic. Hint: What is the probability that such a difference in distribution is random? How should the sample sizes be to be confident about these number? 

This is coffee table mathematics that good only for impressing people who do not have a background in sciences and how to collect and analyze data and draw conclusions. But its still much better than what most people do.</description>
		<content:encoded><![CDATA[<p>Fifth grade math does not an analysis make. While the approach is good, the mathematical/statistical analysis is pathetic. Hint: What is the probability that such a difference in distribution is random? How should the sample sizes be to be confident about these number? </p>
<p>This is coffee table mathematics that good only for impressing people who do not have a background in sciences and how to collect and analyze data and draw conclusions. But its still much better than what most people do.</p>
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		<title>By: timfry</title>
		<link>http://blog.mozilla.com/metrics/2007/12/20/mozilla-online-advertising-part-2-experiment-findings-and-marginal-cost/#comment-1321</link>
		<dc:creator>timfry</dc:creator>
		<pubDate>Sat, 22 Dec 2007 14:17:19 +0000</pubDate>
		<guid isPermaLink="false">http://blog.mozilla.com/metrics/2007/12/20/mozilla-online-advertising-part-2-experiment-findings-and-marginal-cost/#comment-1321</guid>
		<description>Kevin,

Were the ads only placed on google's search page?  What about google ads on blogs and such?  Or in domain only searches?  If ads are on the other two - you may have the answer.  No, ads for Firefox on the search term Firefox on the google page don't help but you do gain people on google ads on blogs.  

I'm assuming you limited the ads to the google search page but I didn't see that posted anywhere.</description>
		<content:encoded><![CDATA[<p>Kevin,</p>
<p>Were the ads only placed on google&#8217;s search page?  What about google ads on blogs and such?  Or in domain only searches?  If ads are on the other two - you may have the answer.  No, ads for Firefox on the search term Firefox on the google page don&#8217;t help but you do gain people on google ads on blogs.  </p>
<p>I&#8217;m assuming you limited the ads to the google search page but I didn&#8217;t see that posted anywhere.</p>
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		<title>By: Stephen</title>
		<link>http://blog.mozilla.com/metrics/2007/12/20/mozilla-online-advertising-part-2-experiment-findings-and-marginal-cost/#comment-1291</link>
		<dc:creator>Stephen</dc:creator>
		<pubDate>Fri, 21 Dec 2007 17:47:46 +0000</pubDate>
		<guid isPermaLink="false">http://blog.mozilla.com/metrics/2007/12/20/mozilla-online-advertising-part-2-experiment-findings-and-marginal-cost/#comment-1291</guid>
		<description>It seems to me that the total number of downloads when the ads were on vs. when they were off is the most significant data you have, not these charts. You only list the difference (11%) for the first week, but what about the second?

Also, your conclusion seems warranted, but it is also obvious. I'm not sure what your marketing strategy is, but you probably aren't advertising to make firefox more accessible to those who already know about it, you're advertising to people who might be interested in trying it for the first time. So, it's pretty clear that the cost of the ads shouldn't be diluted by the total number of downloads, but by the increase your study has shown.</description>
		<content:encoded><![CDATA[<p>It seems to me that the total number of downloads when the ads were on vs. when they were off is the most significant data you have, not these charts. You only list the difference (11%) for the first week, but what about the second?</p>
<p>Also, your conclusion seems warranted, but it is also obvious. I&#8217;m not sure what your marketing strategy is, but you probably aren&#8217;t advertising to make firefox more accessible to those who already know about it, you&#8217;re advertising to people who might be interested in trying it for the first time. So, it&#8217;s pretty clear that the cost of the ads shouldn&#8217;t be diluted by the total number of downloads, but by the increase your study has shown.</p>
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