<?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[A Mathematician Lurking in the TechUnderWorld: Behind Tech Matrix]]></title><description><![CDATA[Behind Tech Matrix exposes the hidden trends, secret moves, and underground signals shaping the future of technology before the mainstream even notices them.

What was once reserved for the tech elite is now within your reach.]]></description><link>https://www.josecrespophd.org/s/behind-tech-matrix</link><image><url>https://substackcdn.com/image/fetch/$s_!gOaz!,w_256,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F56c7ab0d-ed6f-4d23-83dc-074a72323366_720x720.png</url><title>A Mathematician Lurking in the TechUnderWorld: Behind Tech Matrix</title><link>https://www.josecrespophd.org/s/behind-tech-matrix</link></image><generator>Substack</generator><lastBuildDate>Thu, 13 Aug 2026 23:46:01 GMT</lastBuildDate><atom:link href="https://www.josecrespophd.org/feed" rel="self" type="application/rss+xml"/><copyright><![CDATA[Jose Crespo, PhD]]></copyright><language><![CDATA[en]]></language><webMaster><![CDATA[josecrespo@substack.com]]></webMaster><itunes:owner><itunes:email><![CDATA[josecrespo@substack.com]]></itunes:email><itunes:name><![CDATA[Jose Crespo PhD]]></itunes:name></itunes:owner><itunes:author><![CDATA[Jose Crespo PhD]]></itunes:author><googleplay:owner><![CDATA[josecrespo@substack.com]]></googleplay:owner><googleplay:email><![CDATA[josecrespo@substack.com]]></googleplay:email><googleplay:author><![CDATA[Jose Crespo PhD]]></googleplay:author><itunes:block><![CDATA[Yes]]></itunes:block><item><title><![CDATA[NVIDIA and OpenAI’s Lack of Innovation Could Be AI’s Death Sentence]]></title><description><![CDATA[Modern AI&#8217;s double blunder: fake neurons on gaming chips, while a handful of researchers quietly build a far better machine.]]></description><link>https://www.josecrespophd.org/p/nvidia-and-openais-lack-of-innovation</link><guid isPermaLink="false">https://www.josecrespophd.org/p/nvidia-and-openais-lack-of-innovation</guid><dc:creator><![CDATA[Jose Crespo PhD]]></dc:creator><pubDate>Sat, 11 Jul 2026 12:25:57 GMT</pubDate><enclosure url="https://substackcdn.com/image/fetch/$s_!HE5l!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F64929da8-726c-46bd-b7de-98a9d941e178_1169x696.png" length="0" type="image/jpeg"/><content:encoded><![CDATA[<div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="https://substackcdn.com/image/fetch/$s_!HE5l!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F64929da8-726c-46bd-b7de-98a9d941e178_1169x696.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="https://substackcdn.com/image/fetch/$s_!HE5l!,w_424,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F64929da8-726c-46bd-b7de-98a9d941e178_1169x696.png 424w, https://substackcdn.com/image/fetch/$s_!HE5l!,w_848,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F64929da8-726c-46bd-b7de-98a9d941e178_1169x696.png 848w, https://substackcdn.com/image/fetch/$s_!HE5l!,w_1272,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F64929da8-726c-46bd-b7de-98a9d941e178_1169x696.png 1272w, https://substackcdn.com/image/fetch/$s_!HE5l!,w_1456,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F64929da8-726c-46bd-b7de-98a9d941e178_1169x696.png 1456w" sizes="100vw"><img src="https://substackcdn.com/image/fetch/$s_!HE5l!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F64929da8-726c-46bd-b7de-98a9d941e178_1169x696.png" width="1169" height="696" 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srcset="https://substackcdn.com/image/fetch/$s_!HE5l!,w_424,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F64929da8-726c-46bd-b7de-98a9d941e178_1169x696.png 424w, https://substackcdn.com/image/fetch/$s_!HE5l!,w_848,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F64929da8-726c-46bd-b7de-98a9d941e178_1169x696.png 848w, https://substackcdn.com/image/fetch/$s_!HE5l!,w_1272,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F64929da8-726c-46bd-b7de-98a9d941e178_1169x696.png 1272w, https://substackcdn.com/image/fetch/$s_!HE5l!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F64929da8-726c-46bd-b7de-98a9d941e178_1169x696.png 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">Figures, animations, diagrams, and plots were created by the author using Stable Diffusion, Blender, and Python libraries.</figcaption></figure></div><p>Yes, you read that correctly&#8230; the title says <strong>lack of innovation</strong>.</p><p>Absurd, right?</p><p>NVIDIA is worth trillions. OpenAI owns the headlines. Jensen Huang is treated like a technological prophet, while Sam Altman is crowned someone like the Steve Jobs of intelligence. These are supposed to be the hottest, smartest, most innovative companies on Earth, the places everyone wants to work for and every investor wants to own.</p><p><strong>Their genius appears beyond question.</strong></p><p>But let&#8217;s step away from the marketing stage and go backstage, where the bolts, code, and machinery actually live.</p><p>There, a more dangerous question appears: What if the companies leading AI are not building the future, but blocking it?</p><p>Because the next breakthrough may not need a larger model, another generation of GPUs, or one more trillion parameters.</p><p>It may require abandoning the foundations NVIDIA and OpenAI have turned into dogma: flat statistics, fake neurons, and brute-force computation.</p><p>And that is where the masks come off&#8202;&#8212;&#8202;where we see the real face of these companies, and how the architecture that made them powerful may now be standing in the way of real AI.</p><blockquote><p>A better path already exists. But AI must first escape the architecture that made today&#8217;s giants rich&#8202;&#8212;&#8202;and the technology dangerously fragile.</p></blockquote><h3>The current situation of NVIDIA and OpenAI</h3><p>NVIDIA has two faces, like Janus.</p><p>The first is the face of marketing: the triumphant story Jensen Huang tells whenever he walks onto a stage carrying another GPU</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="https://substackcdn.com/image/fetch/$s_!cHLF!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fb49d8cdf-7e37-4a08-a6c6-60705a6b2716_1473x894.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="https://substackcdn.com/image/fetch/$s_!cHLF!,w_424,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fb49d8cdf-7e37-4a08-a6c6-60705a6b2716_1473x894.png 424w, https://substackcdn.com/image/fetch/$s_!cHLF!,w_848,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fb49d8cdf-7e37-4a08-a6c6-60705a6b2716_1473x894.png 848w, https://substackcdn.com/image/fetch/$s_!cHLF!,w_1272,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fb49d8cdf-7e37-4a08-a6c6-60705a6b2716_1473x894.png 1272w, https://substackcdn.com/image/fetch/$s_!cHLF!,w_1456,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fb49d8cdf-7e37-4a08-a6c6-60705a6b2716_1473x894.png 1456w" sizes="100vw"><img src="https://substackcdn.com/image/fetch/$s_!cHLF!,w_2400,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fb49d8cdf-7e37-4a08-a6c6-60705a6b2716_1473x894.png" width="1200" height="728.5714285714286" 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srcset="https://substackcdn.com/image/fetch/$s_!cHLF!,w_424,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fb49d8cdf-7e37-4a08-a6c6-60705a6b2716_1473x894.png 424w, https://substackcdn.com/image/fetch/$s_!cHLF!,w_848,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fb49d8cdf-7e37-4a08-a6c6-60705a6b2716_1473x894.png 848w, https://substackcdn.com/image/fetch/$s_!cHLF!,w_1272,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fb49d8cdf-7e37-4a08-a6c6-60705a6b2716_1473x894.png 1272w, https://substackcdn.com/image/fetch/$s_!cHLF!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fb49d8cdf-7e37-4a08-a6c6-60705a6b2716_1473x894.png 1456w" sizes="100vw" loading="lazy"></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"><strong>Strip Away the Stage Lights</strong></figcaption></figure></div><p><strong>The second face is backstage, where the reality is far less glamorous.</strong></p><p>Strip away the theater and one uncomfortable question remains: why are the descendants of hardware built to render graphics and animate video games now sitting at the center of the so-called AI revolution?</p><p>For most of NVIDIA&#8217;s history, gaming was not some side business. It was <a href="https://www.fool.com/investing/2024/02/12/gaming-was-nvidias-largest-business-now-80-of-its/">the business</a>. Some veteran gamers will remember that, as late as 2014, demand for high-end GeForce cards still drove much of <a href="https://www.sec.gov/Archives/edgar/data/0001045810/000104581014000030/nvda-2014x10k.htm">NVIDIA&#8217;s GPU revenue</a>.</p><p>Of course, we have all heard the GPU evangelists preach the gospel: billions of operations, massive parallelism, oceans of computational power.</p><p>But once the spectacle is gone, the miracle looks much simpler.</p><p>A GPU is an extraordinarily fast machine for multiplying and adding numbers across enormous matrices. A glorified mathematical coprocessor: brutally efficient at arithmetic, yet showing no trace of the intelligence celebrated so triumphantly on NVIDIA&#8217;s stages.</p><p>Fine. Then perhaps the real secret is not the chip, but CUDA, NVIDIA&#8217;s distinctive software platform. Surely this is where raw hardware becomes programmable intelligence. Is CUDA the missing bridge between matrix computation and cognition?</p><p>Unfortunately, CUDA is a venerable platform introduced in 2006. Over the past two decades, it has accumulated new libraries, tools, memory systems, language features, and AI-specific optimizations. But beneath all those additions, its basic computational worldview has changed surprisingly little.</p><p>And CUDA deserves credit. It took the parallel power of graphics processors beyond graphics and opened it to general-purpose computing. At the time, the idea was revolutionary: launch thousands of threads, divide the work into blocks and grids, and make the GPU process enormous quantities of numbers at once.</p><p>But two decades later, a geological era in technology, CUDA still rests on essentially <a href="https://dl.acm.org/doi/fullHtml/10.1145/1365490.1365500">the same idea</a>: break a numerical problem into <a href="https://docs.nvidia.com/cuda/archive/9.0/cuda-c-programming-guide/">even more parallel operations</a> and run them even faster.</p><p>That is the whole trick.</p><p>A remarkable engine for accelerated computation. But still no bridge from arithmetic to cognition. Nope.</p><h3>The Case of OpenAI</h3>
      <p>
          <a href="https://www.josecrespophd.org/p/nvidia-and-openais-lack-of-innovation">
              Read more
          </a>
      </p>
   ]]></content:encoded></item><item><title><![CDATA[The AI That Cracks the Context Problem Is Coming for Your Job]]></title><description><![CDATA[Better learn the math of context before the next AI wave learns your job.]]></description><link>https://www.josecrespophd.org/p/the-ai-that-cracks-the-context-problem</link><guid isPermaLink="false">https://www.josecrespophd.org/p/the-ai-that-cracks-the-context-problem</guid><dc:creator><![CDATA[Jose Crespo PhD]]></dc:creator><pubDate>Mon, 29 Jun 2026 16:54:52 GMT</pubDate><enclosure url="https://substackcdn.com/image/fetch/$s_!dXuq!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1d7c2440-df96-46d7-930f-4112833eda19_1672x941.png" length="0" type="image/jpeg"/><content:encoded><![CDATA[<div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="https://substackcdn.com/image/fetch/$s_!dXuq!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1d7c2440-df96-46d7-930f-4112833eda19_1672x941.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="https://substackcdn.com/image/fetch/$s_!dXuq!,w_424,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1d7c2440-df96-46d7-930f-4112833eda19_1672x941.png 424w, https://substackcdn.com/image/fetch/$s_!dXuq!,w_848,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1d7c2440-df96-46d7-930f-4112833eda19_1672x941.png 848w, https://substackcdn.com/image/fetch/$s_!dXuq!,w_1272,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1d7c2440-df96-46d7-930f-4112833eda19_1672x941.png 1272w, https://substackcdn.com/image/fetch/$s_!dXuq!,w_1456,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1d7c2440-df96-46d7-930f-4112833eda19_1672x941.png 1456w" sizes="100vw"><img src="https://substackcdn.com/image/fetch/$s_!dXuq!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1d7c2440-df96-46d7-930f-4112833eda19_1672x941.png" width="1456" height="819" 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srcset="https://substackcdn.com/image/fetch/$s_!dXuq!,w_424,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1d7c2440-df96-46d7-930f-4112833eda19_1672x941.png 424w, https://substackcdn.com/image/fetch/$s_!dXuq!,w_848,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1d7c2440-df96-46d7-930f-4112833eda19_1672x941.png 848w, https://substackcdn.com/image/fetch/$s_!dXuq!,w_1272,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1d7c2440-df96-46d7-930f-4112833eda19_1672x941.png 1272w, https://substackcdn.com/image/fetch/$s_!dXuq!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F1d7c2440-df96-46d7-930f-4112833eda19_1672x941.png 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">Figures, animations, diagrams, and plots were created by the author using Stable Diffusion, Blender, and Python libraries. The content is 100% human, just like the author. &#128521;</figcaption></figure></div><div class="pullquote"><p>Coding was the first layer to fall.</p><p>AI engineering still looks protected, but that safety is thinner than it seems. It is built on the same flat-vector imagination that made today&#8217;s models powerful and fragile at the same time.</p><p>The next defensible skill is not simply building bigger models or wiring more agents together.</p><p>It is learning how to place computation inside geometry, where context can finally be measured instead of guessed.</p></div><p></p><h3>Software Development Is Already on AI Life Support</h3><p>Many of us saw the writing on the wall the moment the COVID pandemic lifted and the new generation of transformer chatbots arrived.</p><p>First, they gutted Stack Overflow.</p><p>Now they are coming for entire professions, and software development is the first white-collar field where the damage is impossible to ignore.</p><p>Junior and mid-level positions are <a href="https://digitaleconomy.stanford.edu/app/uploads/2025/11/CanariesintheCoalMine_Nov25.pdf">shrinking at a pace the industry has never seen before</a>, and the squeeze is now reaching senior roles too.</p><p>On the other side of the coin, for now, the view looks better.</p><p><a href="https://hai.stanford.edu/ai-index/2026-ai-index-report/economy">AI engineers</a>, and everyone whose output has been multiplied by an AI assistant, seem to be thriving.</p><p>But are they actually safe?</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="https://substackcdn.com/image/fetch/$s_!MsYl!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5cef849b-ce74-4f75-bd62-d511c41bcdb0_1158x720.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="https://substackcdn.com/image/fetch/$s_!MsYl!,w_424,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5cef849b-ce74-4f75-bd62-d511c41bcdb0_1158x720.png 424w, https://substackcdn.com/image/fetch/$s_!MsYl!,w_848,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5cef849b-ce74-4f75-bd62-d511c41bcdb0_1158x720.png 848w, https://substackcdn.com/image/fetch/$s_!MsYl!,w_1272,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5cef849b-ce74-4f75-bd62-d511c41bcdb0_1158x720.png 1272w, https://substackcdn.com/image/fetch/$s_!MsYl!,w_1456,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5cef849b-ce74-4f75-bd62-d511c41bcdb0_1158x720.png 1456w" sizes="100vw"><img src="https://substackcdn.com/image/fetch/$s_!MsYl!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5cef849b-ce74-4f75-bd62-d511c41bcdb0_1158x720.png" width="1158" height="720" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/5cef849b-ce74-4f75-bd62-d511c41bcdb0_1158x720.png&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:null,&quot;imageSize&quot;:null,&quot;height&quot;:720,&quot;width&quot;:1158,&quot;resizeWidth&quot;:null,&quot;bytes&quot;:299254,&quot;alt&quot;:null,&quot;title&quot;:null,&quot;type&quot;:&quot;image/png&quot;,&quot;href&quot;:null,&quot;belowTheFold&quot;:true,&quot;topImage&quot;:false,&quot;internalRedirect&quot;:&quot;https://www.josecrespophd.org/i/204143761?img=https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5cef849b-ce74-4f75-bd62-d511c41bcdb0_1158x720.png&quot;,&quot;isProcessing&quot;:false,&quot;align&quot;:null,&quot;offset&quot;:false}" class="sizing-normal" alt="" srcset="https://substackcdn.com/image/fetch/$s_!MsYl!,w_424,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5cef849b-ce74-4f75-bd62-d511c41bcdb0_1158x720.png 424w, https://substackcdn.com/image/fetch/$s_!MsYl!,w_848,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5cef849b-ce74-4f75-bd62-d511c41bcdb0_1158x720.png 848w, https://substackcdn.com/image/fetch/$s_!MsYl!,w_1272,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5cef849b-ce74-4f75-bd62-d511c41bcdb0_1158x720.png 1272w, https://substackcdn.com/image/fetch/$s_!MsYl!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F5cef849b-ce74-4f75-bd62-d511c41bcdb0_1158x720.png 1456w" sizes="100vw" loading="lazy"></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"><strong>The Senior Boom Is a Statistical Mirage. </strong>Seniors are thriving, up nine percent while juniors collapse. That +9% is a lie of averaging. Disaggregate it: the seniors who absorbed AI into their workflow are up sixteen percent; the holdouts are down eight. The aggregate only looks safe because the winners drag the losers across the line. There is no neutral middle anymore. A senior developer is either an AI-native pulling ahead or a holdout quietly sinking.</figcaption></figure></div><h3>You Need an AI Workflow. And Now It Is Almost Too Late.</h3><p>The first brutal lesson from the wreckage of tech jobs is simple:</p><p>This is no longer a matter of choice.</p><p>If you work in tech, you either build your own workflow of AI assistants now, or you start looking for a skilled trade outside the blast radius.</p><p>Yes, humans are still needed in the loop. Yes, today&#8217;s flat AI is still far from replacing a serious developer end to end. And yes, if you ship production code, you still supervise everything the assistant hands you.</p><p>But none of that is an argument against using AI.</p><p><strong>It is an argument against using it badly.</strong></p><p>And the worst way to use AI is to lean on a single assistant as if it were a magic black box.</p><p>Claude, Cursor, ChatGPT, Copilot, whatever name you prefer, <a href="https://www.veracode.com/resources/state-of-software-security/">none of them should be trusted alone</a>.</p><p>Some of you already know this. Unfortunately, many still do not: one AI code assistant is not a workflow. It can miss the context, misunderstand the problem, and dress a bad fix in clean code.</p><p>So if your whole setup is one assistant and blind trust, you are not engineering with AI. You are working with a chimera: part autocomplete, part sycophantic parrot.</p><div class="captioned-image-container"><figure><a class="image-link image2 is-viewable-img" target="_blank" href="https://substackcdn.com/image/fetch/$s_!-OIe!,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F116521ab-7179-4233-9c36-0a52a9d69fc7_1485x1061.png" data-component-name="Image2ToDOM"><div class="image2-inset"><picture><source type="image/webp" srcset="https://substackcdn.com/image/fetch/$s_!-OIe!,w_424,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F116521ab-7179-4233-9c36-0a52a9d69fc7_1485x1061.png 424w, https://substackcdn.com/image/fetch/$s_!-OIe!,w_848,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F116521ab-7179-4233-9c36-0a52a9d69fc7_1485x1061.png 848w, https://substackcdn.com/image/fetch/$s_!-OIe!,w_1272,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F116521ab-7179-4233-9c36-0a52a9d69fc7_1485x1061.png 1272w, https://substackcdn.com/image/fetch/$s_!-OIe!,w_1456,c_limit,f_webp,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F116521ab-7179-4233-9c36-0a52a9d69fc7_1485x1061.png 1456w" sizes="100vw"><img src="https://substackcdn.com/image/fetch/$s_!-OIe!,w_2400,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F116521ab-7179-4233-9c36-0a52a9d69fc7_1485x1061.png" width="1200" height="857.1428571428571" data-attrs="{&quot;src&quot;:&quot;https://substack-post-media.s3.amazonaws.com/public/images/116521ab-7179-4233-9c36-0a52a9d69fc7_1485x1061.png&quot;,&quot;srcNoWatermark&quot;:null,&quot;fullscreen&quot;:false,&quot;imageSize&quot;:&quot;large&quot;,&quot;height&quot;:1040,&quot;width&quot;:1456,&quot;resizeWidth&quot;:1200,&quot;bytes&quot;:417016,&quot;alt&quot;:null,&quot;title&quot;:null,&quot;type&quot;:&quot;image/png&quot;,&quot;href&quot;:null,&quot;belowTheFold&quot;:true,&quot;topImage&quot;:false,&quot;internalRedirect&quot;:&quot;https://www.josecrespophd.org/i/204143761?img=https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F116521ab-7179-4233-9c36-0a52a9d69fc7_1485x1061.png&quot;,&quot;isProcessing&quot;:false,&quot;align&quot;:&quot;center&quot;,&quot;offset&quot;:false}" class="sizing-large" alt="" srcset="https://substackcdn.com/image/fetch/$s_!-OIe!,w_424,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F116521ab-7179-4233-9c36-0a52a9d69fc7_1485x1061.png 424w, https://substackcdn.com/image/fetch/$s_!-OIe!,w_848,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F116521ab-7179-4233-9c36-0a52a9d69fc7_1485x1061.png 848w, https://substackcdn.com/image/fetch/$s_!-OIe!,w_1272,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F116521ab-7179-4233-9c36-0a52a9d69fc7_1485x1061.png 1272w, https://substackcdn.com/image/fetch/$s_!-OIe!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F116521ab-7179-4233-9c36-0a52a9d69fc7_1485x1061.png 1456w" sizes="100vw" loading="lazy"></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"><strong>Defensive Programming : Guarding Against Your Own AI. </strong>Defensive programming used to mean guarding against bad input. Now, it means guarding against your own AI. Never one assistant: one Claude session writes, a second checks it, ChatGPT attacks it from the other side, and you, the human gate, read the confusion matrix before a line ships. Master this and you survive the first wave. But every box exists only because flat AI cannot remember what its own answer means. This diagram is a cast on a broken bone. geoAI sets the bone and makes the cast disappear.</figcaption></figure></div><p><a href="https://arxiv.org/abs/2410.09724">And because today&#8217;s AI still lacks real Bayesian judgmen</a>t, you have to do something <a href="https://arxiv.org/html/2512.16030">the model will not reliably do for you</a>: read the confusion matrix.</p>
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