<?xml version="1.0" encoding="UTF-8"?><rss xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:atom="http://www.w3.org/2005/Atom" version="2.0" xmlns:itunes="http://www.itunes.com/dtds/podcast-1.0.dtd" xmlns:googleplay="http://www.google.com/schemas/play-podcasts/1.0"><channel><title><![CDATA[Closelooknet: External/Heresy]]></title><description><![CDATA[External perspectives, partner insights, and internal heresies — contrarian analysis aligned with our editorial standards.]]></description><link>https://substack.closelook.net/s/external-insights</link><image><url>https://substackcdn.com/image/fetch/$s_!8J27!,w_256,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fca964d2b-ee5c-48b7-b05e-62d366d41c94_1280x1280.png</url><title>Closelooknet: External/Heresy</title><link>https://substack.closelook.net/s/external-insights</link></image><generator>Substack</generator><lastBuildDate>Wed, 19 Aug 2026 18:08:40 GMT</lastBuildDate><atom:link href="https://substack.closelook.net/feed" rel="self" type="application/rss+xml"/><copyright><![CDATA[Thomas Look - Closelook Venture ]]></copyright><language><![CDATA[en]]></language><webMaster><![CDATA[closelooknet@substack.com]]></webMaster><itunes:owner><itunes:email><![CDATA[closelooknet@substack.com]]></itunes:email><itunes:name><![CDATA[Thomas Look]]></itunes:name></itunes:owner><itunes:author><![CDATA[Thomas Look]]></itunes:author><googleplay:owner><![CDATA[closelooknet@substack.com]]></googleplay:owner><googleplay:email><![CDATA[closelooknet@substack.com]]></googleplay:email><googleplay:author><![CDATA[Thomas Look]]></googleplay:author><itunes:block><![CDATA[Yes]]></itunes:block><item><title><![CDATA[The Model Is Not the Moat — Closelook Heresy XI]]></title><description><![CDATA[Own Your Own Weights, Own Your Own Harness &#8212; and why the frontier labs may become suppliers, not platforms.]]></description><link>https://substack.closelook.net/p/the-model-is-not-the-moat-closelook</link><guid isPermaLink="false">https://substack.closelook.net/p/the-model-is-not-the-moat-closelook</guid><dc:creator><![CDATA[Thomas Look]]></dc:creator><pubDate>Sat, 04 Jul 2026 07:52:22 GMT</pubDate><enclosure url="https://substackcdn.com/image/fetch/$s_!ObMO!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F147ae258-8955-4903-b48b-4b97acbf8214_1672x941.png" length="0" type="image/jpeg"/><content:encoded><![CDATA[<p><em>Two of the largest compute owners on Earth just became landlords. The tell isn&#8217;t that scarcity is ending &#8212; it&#8217;s that owning the biggest model and the biggest cluster was never the <strong><a href="https://closelook.net/glossary/moat/">moat</a></strong>. The moat is the harness bred around the model.</em></p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="https://substackcdn.com/image/fetch/$s_!ObMO!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F147ae258-8955-4903-b48b-4b97acbf8214_1672x941.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="https://substackcdn.com/image/fetch/$s_!ObMO!,w_424,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F147ae258-8955-4903-b48b-4b97acbf8214_1672x941.png 424w, https://substackcdn.com/image/fetch/$s_!ObMO!,w_848,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F147ae258-8955-4903-b48b-4b97acbf8214_1672x941.png 848w, https://substackcdn.com/image/fetch/$s_!ObMO!,w_1272,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F147ae258-8955-4903-b48b-4b97acbf8214_1672x941.png 1272w, https://substackcdn.com/image/fetch/$s_!ObMO!,w_1456,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F147ae258-8955-4903-b48b-4b97acbf8214_1672x941.png 1456w" sizes="100vw"><img src="https://substackcdn.com/image/fetch/$s_!ObMO!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F147ae258-8955-4903-b48b-4b97acbf8214_1672x941.png" width="1456" height="819" 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srcset="https://substackcdn.com/image/fetch/$s_!ObMO!,w_424,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F147ae258-8955-4903-b48b-4b97acbf8214_1672x941.png 424w, https://substackcdn.com/image/fetch/$s_!ObMO!,w_848,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F147ae258-8955-4903-b48b-4b97acbf8214_1672x941.png 848w, https://substackcdn.com/image/fetch/$s_!ObMO!,w_1272,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F147ae258-8955-4903-b48b-4b97acbf8214_1672x941.png 1272w, https://substackcdn.com/image/fetch/$s_!ObMO!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F147ae258-8955-4903-b48b-4b97acbf8214_1672x941.png 1456w" sizes="100vw" fetchpriority="high"></picture><div class="image-link-expand"><div 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To receive new posts and support my work, consider becoming a free or paid &#8230;</p></div><form class="subscription-widget-subscribe"><input type="email" class="email-input" name="email" placeholder="Type your email&#8230;" tabindex="-1"><input type="submit" class="button primary" value="Subscribe"><div class="fake-input-wrapper"><div class="fake-input"></div><div class="fake-button"></div></div></form></div></div>
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   ]]></content:encoded></item><item><title><![CDATA[The AI Bottleneck Trap — Closelook Heresy IX]]></title><description><![CDATA[Why the company solving today's bottleneck is almost never the one to hold through tomorrow &#8212; and why a handful of them are the exception that proves it.]]></description><link>https://substack.closelook.net/p/the-ai-bottleneck-trap-closelook</link><guid isPermaLink="false">https://substack.closelook.net/p/the-ai-bottleneck-trap-closelook</guid><dc:creator><![CDATA[Thomas Look]]></dc:creator><pubDate>Sun, 28 Jun 2026 12:44:28 GMT</pubDate><enclosure url="https://substackcdn.com/image/fetch/$s_!ZmFD!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fcacd283a-1808-4697-ba15-ac370cf657a5_1600x900.jpeg" length="0" type="image/jpeg"/><content:encoded><![CDATA[<p></p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="https://substackcdn.com/image/fetch/$s_!ZmFD!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fcacd283a-1808-4697-ba15-ac370cf657a5_1600x900.jpeg" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="https://substackcdn.com/image/fetch/$s_!ZmFD!,w_424,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fcacd283a-1808-4697-ba15-ac370cf657a5_1600x900.jpeg 424w, https://substackcdn.com/image/fetch/$s_!ZmFD!,w_848,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fcacd283a-1808-4697-ba15-ac370cf657a5_1600x900.jpeg 848w, https://substackcdn.com/image/fetch/$s_!ZmFD!,w_1272,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fcacd283a-1808-4697-ba15-ac370cf657a5_1600x900.jpeg 1272w, https://substackcdn.com/image/fetch/$s_!ZmFD!,w_1456,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fcacd283a-1808-4697-ba15-ac370cf657a5_1600x900.jpeg 1456w" sizes="100vw"><img src="https://substackcdn.com/image/fetch/$s_!ZmFD!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fcacd283a-1808-4697-ba15-ac370cf657a5_1600x900.jpeg" width="1456" height="819" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/cacd283a-1808-4697-ba15-ac370cf657a5_1600x900.jpeg&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:819,&quot;width&quot;:1456,&quot;resizeWidth&quot;:null,&quot;bytes&quot;:null,&quot;alt&quot;:&quot;Heresy IX cover art: two ice cubes on a dark circuit-board surface &#8212; the left cube melting into a warm amber puddle (the terminal relay, a solved constraint liquidating its own premium), the right cube refreezing in cold electric-blue energy (the recurring relay, re-frozen by the next NVIDIA generation).&quot;,&quot;title&quot;:null,&quot;type&quot;:null,&quot;href&quot;:null,&quot;belowTheFold&quot;:false,&quot;topImage&quot;:true,&quot;internalRedirect&quot;:null,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="Heresy IX cover art: two ice cubes on a dark circuit-board surface &#8212; the left cube melting into a warm amber puddle (the terminal relay, a solved constraint liquidating its own premium), the right cube refreezing in cold electric-blue energy (the recurring relay, re-frozen by the next NVIDIA generation)." title="Heresy IX cover art: two ice cubes on a dark circuit-board surface &#8212; the left cube melting into a warm amber puddle (the terminal relay, a solved constraint liquidating its own premium), the right cube refreezing in cold electric-blue energy (the recurring relay, re-frozen by the next NVIDIA generation)." srcset="https://substackcdn.com/image/fetch/$s_!ZmFD!,w_424,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fcacd283a-1808-4697-ba15-ac370cf657a5_1600x900.jpeg 424w, https://substackcdn.com/image/fetch/$s_!ZmFD!,w_848,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fcacd283a-1808-4697-ba15-ac370cf657a5_1600x900.jpeg 848w, https://substackcdn.com/image/fetch/$s_!ZmFD!,w_1272,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fcacd283a-1808-4697-ba15-ac370cf657a5_1600x900.jpeg 1272w, https://substackcdn.com/image/fetch/$s_!ZmFD!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fcacd283a-1808-4697-ba15-ac370cf657a5_1600x900.jpeg 1456w" sizes="100vw" fetchpriority="high"></picture><div class="image-link-expand"><div class="pencraft pc-display-flex pc-gap-8 pc-reset"><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container restack-image"><svg aria-hidden="true" width="20" height="20" viewBox="0 0 20 20" fill="none" stroke-width="1.5" stroke="var(--color-fg-primary)" stroke-linecap="round" stroke-linejoin="round" xmlns="http://www.w3.org/2000/svg"><g><path d="M2.53001 7.81595C3.49179 4.73911 6.43281 2.5 9.91173 2.5C13.1684 2.5 15.9537 4.46214 17.0852 7.23684L17.6179 8.67647M17.6179 8.67647L18.5002 4.26471M17.6179 8.67647L13.6473 6.91176M17.4995 12.1841C16.5378 15.2609 13.5967 17.5 10.1178 17.5C6.86118 17.5 4.07589 15.5379 2.94432 12.7632L2.41165 11.3235M2.41165 11.3235L1.5293 15.7353M2.41165 11.3235L6.38224 13.0882"></path></g></svg></button><button tabindex="0" type="button" class="pencraft pc-reset pencraft icon-container view-image"><svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="lucide lucide-maximize2 lucide-maximize-2"><polyline points="15 3 21 3 21 9"></polyline><polyline points="9 21 3 21 3 15"></polyline><line x1="21" x2="14" y1="3" y2="10"></line><line x1="3" x2="10" y1="21" y2="14"></line></svg></button></div></div></div></a><figcaption class="image-caption"><em>Heresy IX cover art: two ice cubes on a dark circuit-board surface &#8212; the left cube melting into a warm amber puddle (the terminal relay, a solved constraint liquidating its own premium), the right cube refreezing in cold electric-blue energy (the recurring relay, re-frozen by the next NVIDIA generation).</em></figcaption></figure></div><p><em>Most picks-and-shovels in the AI build-out are mel&#8230;</em></p>
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          <a href="https://substack.closelook.net/p/the-ai-bottleneck-trap-closelook">
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   ]]></content:encoded></item><item><title><![CDATA[Service Evaluation: [Service Name]]]></title><description><![CDATA[This evaluation is sponsored by [Brand Name].]]></description><link>https://substack.closelook.net/p/service-evaluation-service-name</link><guid isPermaLink="false">https://substack.closelook.net/p/service-evaluation-service-name</guid><pubDate>Mon, 16 Sep 2024 16:20:00 GMT</pubDate><enclosure url="https://substackcdn.com/image/fetch/$s_!8J27!,w_256,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fca964d2b-ee5c-48b7-b05e-62d366d41c94_1280x1280.png" length="0" type="image/jpeg"/><content:encoded><![CDATA[<p>[Content of the evaluation]</p>
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   ]]></content:encoded></item><item><title><![CDATA[Expert Opinion: [Topic]]]></title><description><![CDATA[Contributed by [Author's Name]]]></description><link>https://substack.closelook.net/p/expert-opinion-topic</link><guid isPermaLink="false">https://substack.closelook.net/p/expert-opinion-topic</guid><dc:creator><![CDATA[Thomas Look]]></dc:creator><pubDate>Mon, 16 Sep 2024 16:18:00 GMT</pubDate><enclosure url="https://substackcdn.com/image/fetch/$s_!8J27!,w_256,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fca964d2b-ee5c-48b7-b05e-62d366d41c94_1280x1280.png" length="0" type="image/jpeg"/><content:encoded><![CDATA[<p>[Content of the article]</p>
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   ]]></content:encoded></item><item><title><![CDATA[Product Review: [Product Name]]]></title><description><![CDATA[This review is sponsored by [Brand Name].]]></description><link>https://substack.closelook.net/p/product-review-product-name</link><guid isPermaLink="false">https://substack.closelook.net/p/product-review-product-name</guid><pubDate>Mon, 16 Sep 2024 16:13:00 GMT</pubDate><enclosure url="https://substackcdn.com/image/fetch/$s_!8J27!,w_256,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fca964d2b-ee5c-48b7-b05e-62d366d41c94_1280x1280.png" length="0" type="image/jpeg"/><content:encoded><![CDATA[<p>[Content of the review]</p>
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   ]]></content:encoded></item></channel></rss>