https://yortech.dev/blog Long-form essays from Abdulai Yorli Iddrisu (YORTECH) on UX, infrastructure, AI safety, and the systems around us. en Sun, 05 Jul 2026 08:51:13 GMT https://medium.com/@iddrisuabdulaiyorli1/why-i-structured-memorymesh-across-3-cdk-stacks-every-decision-explained-321e6bfba328 https://medium.com/@iddrisuabdulaiyorli1/why-i-structured-memorymesh-across-3-cdk-stacks-every-decision-explained-321e6bfba328 Wed, 10 Sep 2025 00:00:00 GMT AWS & Architecture The architectural reasoning behind splitting an open-source AI memory layer into three AWS CDK stacks. https://medium.com/@iddrisuabdulaiyorli1/i-built-a-portable-ai-memory-layer-with-mcp-aws-bedrock-and-a-chrome-extension-3adcf67db0fe https://medium.com/@iddrisuabdulaiyorli1/i-built-a-portable-ai-memory-layer-with-mcp-aws-bedrock-and-a-chrome-extension-3adcf67db0fe Mon, 01 Sep 2025 00:00:00 GMT AI & Infrastructure How MemoryMesh preserves context across LLMs using the Model Context Protocol and decentralized state-storage on user-owned AWS infrastructure. https://medium.com/design-bootcamp/youre-stuck-on-an-inferior-ai-because-switching-means-losing-everything-0a79af6cdea5 https://medium.com/design-bootcamp/youre-stuck-on-an-inferior-ai-because-switching-means-losing-everything-0a79af6cdea5 Tue, 05 Aug 2025 00:00:00 GMT AI & UX Vendor lock-in in the age of LLMs, and why portable context matters more than model benchmarks. https://medium.com/design-bootcamp/the-agreeable-trap-how-ai-sycophancy-distorts-reality-and-how-to-fight-back-7d55ad512d6e https://medium.com/design-bootcamp/the-agreeable-trap-how-ai-sycophancy-distorts-reality-and-how-to-fight-back-7d55ad512d6e Tue, 15 Jul 2025 00:00:00 GMT AI Safety An empirical inquiry into RLHF, model sycophancy, and an adversarial prompting framework to mitigate model drift. https://medium.com/design-bootcamp/the-algorithm-that-forgot-its-own-data-a717f0be1dca https://medium.com/design-bootcamp/the-algorithm-that-forgot-its-own-data-a717f0be1dca Fri, 20 Jun 2025 00:00:00 GMT AI & UX A close look at what happens when systems lose track of the data they're meant to remember. https://medium.com/design-bootcamp/why-cant-you-just-open-a-bank-account-by-yourself-in-ghana-193acdcdfd83 https://medium.com/design-bootcamp/why-cant-you-just-open-a-bank-account-by-yourself-in-ghana-193acdcdfd83 Sat, 10 May 2025 00:00:00 GMT UX & Finance Friction, KYC, and the UX gap between policy and practice in Ghanaian banking. https://medium.com/@iddrisuabdulaiyorli1/when-security-fails-ux-rethinking-sim-registration-in-ghana-91550b4357a8 https://medium.com/@iddrisuabdulaiyorli1/when-security-fails-ux-rethinking-sim-registration-in-ghana-91550b4357a8 Tue, 22 Apr 2025 00:00:00 GMT UX & Policy How well-intentioned security flows can collapse under the weight of poor user experience. https://medium.com/design-bootcamp/what-if-your-wallet-could-protect-you-at-gunpoint-441af3ec4e5e https://medium.com/design-bootcamp/what-if-your-wallet-could-protect-you-at-gunpoint-441af3ec4e5e Sun, 30 Mar 2025 00:00:00 GMT UX & Safety A design exploration of mobile-money safety in moments of duress. https://medium.com/design-bootcamp/small-ux-big-frustration-how-mtn-ghanas-call-alerts-can-be-improved-00e4ae1b03cd https://medium.com/design-bootcamp/small-ux-big-frustration-how-mtn-ghanas-call-alerts-can-be-improved-00e4ae1b03cd Wed, 12 Mar 2025 00:00:00 GMT UX A close read of a small notification that creates outsized user friction. https://medium.com/@iddrisuabdulaiyorli1/when-one-fire-takes-down-a-utility-the-systemic-roots-of-the-nedco-outage-and-the-path-forward-4b58a8ccda2f https://medium.com/@iddrisuabdulaiyorli1/when-one-fire-takes-down-a-utility-the-systemic-roots-of-the-nedco-outage-and-the-path-forward-4b58a8ccda2f Tue, 18 Feb 2025 00:00:00 GMT Infrastructure The systemic failures behind a single incident, and a forward path for resilience. https://medium.com/design-bootcamp/how-google-maps-knows-the-traffic-on-accras-roads-029941bf6c42 https://medium.com/design-bootcamp/how-google-maps-knows-the-traffic-on-accras-roads-029941bf6c42 Sat, 01 Feb 2025 00:00:00 GMT Systems The systems and data flows behind real-time traffic mapping in a city without sensors on every road. https://medium.com/@iddrisuabdulaiyorli1/with-hardship-comes-ease-my-academic-remontada-55f5f72fc778 https://medium.com/@iddrisuabdulaiyorli1/with-hardship-comes-ease-my-academic-remontada-55f5f72fc778 Mon, 20 Jan 2025 00:00:00 GMT Personal A personal essay on resilience, recovery, and rebuilding through computer science. https://medium.com/@iddrisuabdulaiyorli1/when-nan-becomes-a-signal-what-a-simple-countdown-error-reveals-about-digital-discipline-463721537dc4 https://medium.com/@iddrisuabdulaiyorli1/when-nan-becomes-a-signal-what-a-simple-countdown-error-reveals-about-digital-discipline-463721537dc4 Tue, 10 Dec 2024 00:00:00 GMT Engineering What a tiny rendering bug exposes about how teams reason about state. https://medium.com/@iddrisuabdulaiyorli1/you-paid-for-3-days-of-data-why-did-you-only-get-2-a4bb2e6f28b6 https://medium.com/@iddrisuabdulaiyorli1/you-paid-for-3-days-of-data-why-did-you-only-get-2-a4bb2e6f28b6 Fri, 15 Nov 2024 00:00:00 GMT UX & Policy Investigating a familiar telco frustration through a systems lens.