https://a-samadi.com/writing/ Articles and explainers by Ahmadreza Samadi on building AI products, AI costs and decision models, connected apps, and real estate technology. en Ahmadreza Samadi https://a-samadi.com/writing/dubai-property-tokenisation-explained.html A simple property-token explainer connects digital ownership, fractional shares and net rent with the separate challenge of finding a buyer. Ahmadreza Samadi Mon, 12 Oct 2026 15:56:21 GMT https://a-samadi.com/writing/dubai-property-tokenisation-explained.html https://a-samadi.com/writing/chatgpt-intelligent-ui-explained.html A simple explanation of ChatGPT's interactive answers, the 7 October announcement and a fictional budget that shows why assumptions still matter. Ahmadreza Samadi Mon, 12 Oct 2026 08:39:26 GMT https://a-samadi.com/writing/chatgpt-intelligent-ui-explained.html https://a-samadi.com/writing/how-building-digital-twins-work.html Sensors connect real rooms and equipment to an updating digital model. See how a building digital twin turns readings into useful context. Ahmadreza Samadi Sat, 10 Oct 2026 20:38:56 GMT https://a-samadi.com/writing/how-building-digital-twins-work.html https://a-samadi.com/writing/property-data-enrichment.html A fictional image-and-record comparison shows how to check property identity, source dates and unresolved claims before combining property information. Ahmadreza Samadi Sat, 10 Oct 2026 17:00:06 GMT https://a-samadi.com/writing/property-data-enrichment.html https://a-samadi.com/writing/how-many-coffees-to-break-even.html A fictional cafe sells 100 coffees for $500 and makes $0 operating profit. Follow its costs to understand contribution and break-even. Ahmadreza Samadi Sat, 10 Oct 2026 14:32:07 GMT https://a-samadi.com/writing/how-many-coffees-to-break-even.html https://a-samadi.com/writing/why-ai-loses-earlier-chat-context.html Chat history, working context, summaries, saved memory and training are different things. Understand why a chatbot can miss an earlier detail and how to help. Ahmadreza Samadi Sat, 10 Oct 2026 08:30:13 GMT https://a-samadi.com/writing/why-ai-loses-earlier-chat-context.html https://a-samadi.com/writing/why-wifi-is-slow-with-full-bars.html Full Wi-Fi bars describe your signal to the router, not the speed of the whole internet route. Learn what else can slow it down and how to compare. Ahmadreza Samadi Sat, 10 Oct 2026 02:31:29 GMT https://a-samadi.com/writing/why-wifi-is-slow-with-full-bars.html https://a-samadi.com/writing/how-contactless-cards-work.html A payment terminal briefly powers the chip in a passive contactless card. Follow the energy and the payment data through a tap. Ahmadreza Samadi Fri, 09 Oct 2026 23:35:36 GMT https://a-samadi.com/writing/how-contactless-cards-work.html https://a-samadi.com/writing/how-noise-cancellation-works.html Microphones measure outside noise and a speaker adds a carefully timed opposite wave. Why this reduces a hum better than every sudden voice. Ahmadreza Samadi Fri, 09 Oct 2026 23:35:36 GMT https://a-samadi.com/writing/how-noise-cancellation-works.html https://a-samadi.com/writing/how-photo-text-recognition-works.html OCR finds text regions and recognises visual patterns as letters and words. The AI feature can save typing, but copied text still needs checking. Ahmadreza Samadi Fri, 09 Oct 2026 23:35:36 GMT https://a-samadi.com/writing/how-photo-text-recognition-works.html https://a-samadi.com/writing/why-usb-c-cables-differ.html USB-C describes the connector. Power, file-transfer speed and video support are separate capabilities to check in the whole connection. Ahmadreza Samadi Fri, 09 Oct 2026 23:35:36 GMT https://a-samadi.com/writing/why-usb-c-cables-differ.html https://a-samadi.com/writing/iphone-duo-price-per-day.html A 104-second film turns the $800 US launch-price gap between iPhone Duo and iPhone 18 Pro into a daily comparison, with the assumptions made clear. Ahmadreza Samadi Fri, 09 Oct 2026 22:40:47 GMT https://a-samadi.com/writing/iphone-duo-price-per-day.html https://a-samadi.com/writing/ai-rental-yield-cash-flow.html A correct rental-yield calculation can still leave a property owner covering a cash shortfall. Follow one fictional home from the headline to the money left after costs and the loan. Ahmadreza Samadi Fri, 09 Oct 2026 00:00:00 GMT https://a-samadi.com/writing/ai-rental-yield-cash-flow.html https://a-samadi.com/writing/why-full-storage-slows-computer.html Storage is working room too. A ten-slide explainer on temporary files, RAM overflow and SSD housekeeping, with practical cleanup advice. Ahmadreza Samadi Fri, 09 Oct 2026 00:00:00 GMT https://a-samadi.com/writing/why-full-storage-slows-computer.html https://a-samadi.com/writing/profitable-but-out-of-cash.html A profitable sale can leave a business unable to pay its supplier. Follow one order to see why earned money and available cash are different. Ahmadreza Samadi Thu, 08 Oct 2026 00:00:00 GMT https://a-samadi.com/writing/profitable-but-out-of-cash.html https://a-samadi.com/writing/incognito-private-browsing.html A simple gift-shopping story explains Incognito, cookies, website records, saved files and what private browsing actually hides. By Ahmadreza Samadi. Ahmadreza Samadi Mon, 05 Oct 2026 00:00:00 GMT https://a-samadi.com/writing/incognito-private-browsing.html https://a-samadi.com/writing/what-accept-cookies-means.html The same small browser note can remember your shopping basket or help a company recognise you across websites. The choice is about what that note does. Ahmadreza Samadi Mon, 05 Oct 2026 00:00:00 GMT https://a-samadi.com/writing/what-accept-cookies-means.html https://a-samadi.com/writing/why-ai-sounds-confident.html Ahmadreza Samadi explains confident AI mistakes with a fictional museum example, an animated film and a simple way to check claims against evidence. Ahmadreza Samadi Mon, 05 Oct 2026 00:00:00 GMT https://a-samadi.com/writing/why-ai-sounds-confident.html https://a-samadi.com/writing/why-phone-stops-charging-at-80.html A chosen limit, a learned routine and a heat pause can look similar. They have different triggers and different ways to resume charging. Ahmadreza Samadi Mon, 05 Oct 2026 00:00:00 GMT https://a-samadi.com/writing/why-phone-stops-charging-at-80.html https://a-samadi.com/writing/how-satellite-messaging-works.html How a supported phone sends texts through satellites, how the message returns to Earth, and what to check before going off-grid. By Ahmadreza Samadi. Ahmadreza Samadi Sun, 04 Oct 2026 00:00:00 GMT https://a-samadi.com/writing/how-satellite-messaging-works.html https://a-samadi.com/writing/ai-home-value-estimates.html Ahmadreza Samadi explains what automated home-value estimates can miss: incomplete property facts, weak comparables, uncertainty and uneven error. Ahmadreza Samadi Sat, 03 Oct 2026 00:00:00 GMT https://a-samadi.com/writing/ai-home-value-estimates.html https://a-samadi.com/writing/ai-human-review-real-estate.html AI can draft listings and organize property information, but a professional must verify the facts and guide the decision. Ahmadreza Samadi explains the handoff. Ahmadreza Samadi Sat, 03 Oct 2026 00:00:00 GMT https://a-samadi.com/writing/ai-human-review-real-estate.html https://a-samadi.com/writing/foldable-two-batteries.html Why a foldable phone can have a battery on each side but show one charge reading. Ahmadreza Samadi explains energy-aware gauging without guessing Apple's wiring. Ahmadreza Samadi Sat, 03 Oct 2026 00:00:00 GMT https://a-samadi.com/writing/foldable-two-batteries.html https://a-samadi.com/writing/humanoid-robots-at-home.html Ahmadreza Samadi explains how to read humanoid robot claims: shipment forecasts, home robot preorders, remote assistance and evidence of useful autonomy. Ahmadreza Samadi Sat, 03 Oct 2026 00:00:00 GMT https://a-samadi.com/writing/humanoid-robots-at-home.html https://a-samadi.com/writing/verify-ai-image-claims.html A practical checklist for checking an image and its claim: find the source, reverse-search it, inspect provenance signals and seek independent corroboration. Ahmadreza Samadi Sat, 03 Oct 2026 00:00:00 GMT https://a-samadi.com/writing/verify-ai-image-claims.html https://a-samadi.com/writing/ai-agent-safety-boundaries.html What changes when AI assistants can act? A practical guide to agent permissions, NVIDIA OpenShell and the Sentry reference design. Ahmadreza Samadi Tue, 29 Sep 2026 00:00:00 GMT https://a-samadi.com/writing/ai-agent-safety-boundaries.html https://a-samadi.com/writing/how-zip-files-work.html How does a ZIP restore every byte? Ahmadreza Samadi explains the ZIP container, DEFLATE, repeated data, Huffman coding, and why videos may barely shrink. Ahmadreza Samadi Mon, 28 Sep 2026 00:00:00 GMT https://a-samadi.com/writing/how-zip-files-work.html https://a-samadi.com/writing/passkeys-face-id.html What is a passkey? Ahmadreza Samadi explains Face ID, public and private keys, phishing resistance, and what happens if you lose your device. Ahmadreza Samadi Mon, 28 Sep 2026 00:00:00 GMT https://a-samadi.com/writing/passkeys-face-id.html https://a-samadi.com/writing/connected-ai-apps.html What happens when you connect an app to ChatGPT or Gemini? A practical guide to accounts, permissions, reading versus acting, and approval before you connect. Ahmadreza Samadi Fri, 25 Sep 2026 00:00:00 GMT https://a-samadi.com/writing/connected-ai-apps.html https://a-samadi.com/writing/jev-ai-decision-model.html What is Jev from TypeSafe AI? How a decision model differs from GPT and Claude, what the early Banking77 test shows, and how to test it as a routing layer. Ahmadreza Samadi Fri, 25 Sep 2026 00:00:00 GMT https://a-samadi.com/writing/jev-ai-decision-model.html https://a-samadi.com/writing/ai-cost-per-verified-result.html A practical framework for measuring the full cost of verified AI workflow results. Ahmadreza Samadi Thu, 24 Sep 2026 00:00:00 GMT https://a-samadi.com/writing/ai-cost-per-verified-result.html https://a-samadi.com/writing/start-with-the-decision.html A practical approach to AI product decisions: start with the customer’s decision, assess the evidence, and evaluate the whole workflow. Ahmadreza Samadi Sun, 13 Sep 2026 10:06:07 GMT https://a-samadi.com/writing/start-with-the-decision.html