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	<updated>2026-11-06T07:15:04Z</updated>
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		<id>https://jeux.wiki/index.php?title=What_Actually_Drives_Software_Development_Costs&amp;diff=8229&amp;oldid=prev</id>
		<title>LeeQuintana7 le 2 novembre 2026 à 03:27</title>
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		<updated>2026-11-02T03:27:52Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Version précédente&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Version du 2 novembre 2026 à 03:27&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot;&gt;Ligne 1 :&lt;/td&gt;
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&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;The &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;single largest cost driver &lt;/del&gt;is &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;rarely &lt;/del&gt;the &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;choice of framework &lt;/del&gt;— it is uncertainty. Every &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;ambiguity &lt;/del&gt;in the brief &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;becomes padding &lt;/del&gt;somewhere in the quote. A &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;supplier &lt;/del&gt;that &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;has no visibility into &lt;/del&gt;the edge cases has to assume &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;the more expensive option&lt;/del&gt;. &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Investing &lt;/del&gt;a &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;few days in &lt;/del&gt;a &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;proper &lt;/del&gt;discovery &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;often reduces &lt;/del&gt;the total &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;by far &lt;/del&gt;more than haggling over hourly rates.&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Integrations remain &lt;/del&gt;another reliable source of cost. A &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;feature &lt;/del&gt;that &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;touches only your own &lt;/del&gt;data is &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;low risk&lt;/del&gt;; the same &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;screen talking &lt;/del&gt;to a &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;legacy ERP &lt;/del&gt;is &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;not&lt;/del&gt;. The &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;effort lives &lt;/del&gt;in the &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;other system&lt;/del&gt;: &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;poor documentation&lt;/del&gt;, &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;long certification processes&lt;/del&gt;, &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt; [https://webparadox.com/locations/ nearshore development company] fields &lt;/del&gt;that &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;mean something different on each side&lt;/del&gt;. Ask &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;any vendor &lt;/del&gt;to &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;list every external system&lt;/del&gt;, as this is &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;the usual source of overruns&lt;/del&gt;.&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Non-functional &lt;/del&gt;requirements &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;can easily double &lt;/del&gt;the number. An &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;internal tool &lt;/del&gt;used by a &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;handful of staff costs far less than &lt;/del&gt;the same &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;feature set &lt;/del&gt;serving a hundred thousand users. Security reviews, &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;high &lt;/del&gt;availability, load handling, traceability and multi-language support add weeks of work. &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;State &lt;/del&gt;them &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;early &lt;/del&gt;or expect &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;them priced as extras&lt;/del&gt;.&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;The team you are quoted &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;changes the arithmetic&lt;/del&gt;. &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;A day &lt;/del&gt;rate &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;says very little &lt;/del&gt;on its own: &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;one senior developer &lt;/del&gt;at &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;twice the price &lt;/del&gt;can be cheaper per delivered feature than two &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;juniors &lt;/del&gt;who &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;need supervision and &lt;/del&gt; [https://webparadox.com/&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;services&lt;/del&gt;/&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;seo&lt;/del&gt;/ &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;technical seo services&lt;/del&gt;] &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;rework. Also ask who else is billed: delivery management, &lt;/del&gt;quality assurance, release engineering and &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;UX design have to be done by someone&lt;/del&gt;, but they should be &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;visible in the estimate&lt;/del&gt;.&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;The number in the proposal is never the total cost. Budget for &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;hosting&lt;/del&gt;, paid APIs, logging and alerting and a &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;maintenance allowance each year&lt;/del&gt;. A &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;useful planning figure is &lt;/del&gt;that a live system &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;requires &lt;/del&gt;a &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;meaningful share &lt;/del&gt;of &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;its &lt;/del&gt;original &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;build cost per &lt;/del&gt;year &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;for &lt;/del&gt;updates&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;, security patches &lt;/del&gt;and small &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;improvements&lt;/del&gt;. &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Leaving it out of &lt;/del&gt;the &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;budget &lt;/del&gt;is the most &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;common budgeting mistake&lt;/del&gt;.&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;The &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;dominant factor &lt;/ins&gt;is &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;not &lt;/ins&gt;the &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;technology stack &lt;/ins&gt;— it is uncertainty. Every &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;open question &lt;/ins&gt;in the brief &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;is converted into a contingency &lt;/ins&gt;somewhere in the quote. A &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;vendor &lt;/ins&gt;that &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;cannot see &lt;/ins&gt;the edge cases has to assume &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;a pessimistic case&lt;/ins&gt;. &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Spending &lt;/ins&gt;a &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;week on &lt;/ins&gt;a discovery &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;phase frequently cuts &lt;/ins&gt;the total &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;much &lt;/ins&gt;more than haggling over hourly rates.&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Connections to other systems tend to be &lt;/ins&gt;another reliable source of cost. A &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;form &lt;/ins&gt;that &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;saves &lt;/ins&gt;data is &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;predictable&lt;/ins&gt;; the same &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;feature connected &lt;/ins&gt;to a &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;payment provider and a CRM &lt;/ins&gt;is &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;another matter entirely&lt;/ins&gt;. The &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;cost hides &lt;/ins&gt;in the &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;counterparty&lt;/ins&gt;: &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;rate limits and sandbox access&lt;/ins&gt;, &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;slow approval cycles&lt;/ins&gt;, &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;data &lt;/ins&gt;that &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;does not match your model&lt;/ins&gt;. Ask &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;the estimator &lt;/ins&gt;to &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;price integrations separately&lt;/ins&gt;, as this is &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;where estimates break&lt;/ins&gt;.&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;The &lt;/ins&gt;requirements &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;nobody writes down silently change &lt;/ins&gt;the number. An &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;application &lt;/ins&gt;used by &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;twenty people is &lt;/ins&gt;a &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;very different build from &lt;/ins&gt;the same &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;functionality &lt;/ins&gt;serving a hundred thousand users. Security reviews, availability &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;guarantees&lt;/ins&gt;, load handling, traceability and multi-language support add weeks of work. &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Write &lt;/ins&gt;them &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;down at the start &lt;/ins&gt;or expect &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;the estimate to move later&lt;/ins&gt;.&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;The team you are quoted &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;matters&lt;/ins&gt;. &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;An hourly &lt;/ins&gt;rate &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;reveals almost nothing &lt;/ins&gt;on its own: &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt; [https://webparadox.com/technologies/ai-development/ hire ai developers] an experienced engineer &lt;/ins&gt;at &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;a premium rate &lt;/ins&gt;can be cheaper per delivered feature than two &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;inexperienced developers &lt;/ins&gt;who &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;require constant review. Check too what else appears on the invoice: delivery management, &lt;/ins&gt; [https://webparadox.com/&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;compare&lt;/ins&gt;/&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;flutter-vs-react-native&lt;/ins&gt;/ &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;flutter vs react native comparison&lt;/ins&gt;] quality assurance, release engineering and &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;analysis are real work&lt;/ins&gt;, but they should be &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;named rather than hidden inside a blended rate&lt;/ins&gt;.&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;The number in the proposal is never the total cost. Budget for &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;infrastructure&lt;/ins&gt;, paid APIs, logging and alerting and a &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;change budget annually&lt;/ins&gt;. A &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;reasonable rule of thumb holds &lt;/ins&gt;that a live system &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;needs &lt;/ins&gt;a &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;recurring percentage &lt;/ins&gt;of &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;the &lt;/ins&gt;original &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;budget every &lt;/ins&gt;year &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;in fixes, &lt;/ins&gt;updates and small &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;changes&lt;/ins&gt;. &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Treating the launch as &lt;/ins&gt;the &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;finish line &lt;/ins&gt;is the most &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;frequent planning error&lt;/ins&gt;.&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>LeeQuintana7</name></author>
	</entry>
	<entry>
		<id>https://jeux.wiki/index.php?title=What_Actually_Drives_Software_Development_Costs&amp;diff=4362&amp;oldid=prev</id>
		<title>LeeQuintana7 : Page créée avec « &lt;br&gt;&lt;br&gt;&lt;br&gt;The single largest cost driver is rarely the choice of framework — it is uncertainty. Every ambiguity in the brief becomes padding somewhere in the quote. A supplier that has no visibility into the edge cases has to assume the more expensive option. Investing a few days in a proper discovery often reduces the total by far more than haggling over hourly rates.&lt;br&gt;&lt;br&gt;&lt;br&gt;&lt;br&gt;Integrations remain another reliable source of cost. A feature that touches... »</title>
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		<updated>2026-10-24T05:18:34Z</updated>

		<summary type="html">&lt;p&gt;Page créée avec « &amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;The single largest cost driver is rarely the choice of framework — it is uncertainty. Every ambiguity in the brief becomes padding somewhere in the quote. A supplier that has no visibility into the edge cases has to assume the more expensive option. Investing a few days in a proper discovery often reduces the total by far more than haggling over hourly rates.&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;Integrations remain another reliable source of cost. A feature that touches... »&lt;/p&gt;
&lt;p&gt;&lt;b&gt;Nouvelle page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;The single largest cost driver is rarely the choice of framework — it is uncertainty. Every ambiguity in the brief becomes padding somewhere in the quote. A supplier that has no visibility into the edge cases has to assume the more expensive option. Investing a few days in a proper discovery often reduces the total by far more than haggling over hourly rates.&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;Integrations remain another reliable source of cost. A feature that touches only your own data is low risk; the same screen talking to a legacy ERP is not. The effort lives in the other system: poor documentation, long certification processes,  [https://webparadox.com/locations/ nearshore development company] fields that mean something different on each side. Ask any vendor to list every external system, as this is the usual source of overruns.&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;Non-functional requirements can easily double the number. An internal tool used by a handful of staff costs far less than the same feature set serving a hundred thousand users. Security reviews, high availability, load handling, traceability and multi-language support add weeks of work. State them early or expect them priced as extras.&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;The team you are quoted changes the arithmetic. A day rate says very little on its own: one senior developer at twice the price can be cheaper per delivered feature than two juniors who need supervision and  [https://webparadox.com/services/seo/ technical seo services] rework. Also ask who else is billed: delivery management, quality assurance, release engineering and UX design have to be done by someone, but they should be visible in the estimate.&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;The number in the proposal is never the total cost. Budget for hosting, paid APIs, logging and alerting and a maintenance allowance each year. A useful planning figure is that a live system requires a meaningful share of its original build cost per year for updates, security patches and small improvements. Leaving it out of the budget is the most common budgeting mistake.&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&lt;/div&gt;</summary>
		<author><name>LeeQuintana7</name></author>
	</entry>
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