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/computer-agent-check-result.html In a fictional parcel studio, Nora asks an AI helper to prepare a label. A panel moves before the click arrives. The cursor moves, but the label is still missing. This illustrates a failure possibility; it is not an observed shipment or product test. Ahmadreza Samadi Sat, 24 Oct 2026 22:00:44 GMT https://a-samadi.com/writing/computer-agent-check-result.html https://a-samadi.com/writing/dubai-project-escrow-controls.html Fictional buyer Rami sees a beautiful model of an unfinished building. His useful question is not only what it will look like, but which records support the payment instructions. No real project or account is represented here. Ahmadreza Samadi Sat, 24 Oct 2026 21:38:08 GMT https://a-samadi.com/writing/dubai-project-escrow-controls.html https://a-samadi.com/writing/rag-check-business-records.html In a fictional hotel, Leila asks an AI assistant for a meeting-room quote. A fluent answer appears. Before sending it, she spots the problem: its supporting sheet is an old version. This is a teaching scenario, not a report of an actual hotel or product test. Ahmadreza Samadi Thu, 22 Oct 2026 06:31:41 GMT https://a-samadi.com/writing/rag-check-business-records.html https://a-samadi.com/writing/dubai-service-charge-same-rent.html A fictional Dubai property comparison separates advertised rent from cash remaining after one recurring cost. Ahmadreza Samadi Wed, 21 Oct 2026 17:50:06 GMT https://a-samadi.com/writing/dubai-service-charge-same-rent.html https://a-samadi.com/writing/ai-agent-permissions-ability-authority.html A fictional invoice explains reading, drafting and approval boundaries in business AI. Ahmadreza Samadi Wed, 21 Oct 2026 06:36:51 GMT https://a-samadi.com/writing/ai-agent-permissions-ability-authority.html https://a-samadi.com/writing/heat-pump-moves-heat-explained.html A fictional home and an illustrative energy balance explain how a heat pump moves heat. Ahmadreza Samadi Tue, 20 Oct 2026 17:30:39 GMT https://a-samadi.com/writing/heat-pump-moves-heat-explained.html https://a-samadi.com/writing/avm-vs-appraisal.html Choose the valuation process for the decision: compare AVMs, broker opinions and appraisals, then examine identity, dates, evidence and uncertainty. Ahmadreza Samadi Tue, 20 Oct 2026 15:08:29 GMT https://a-samadi.com/writing/avm-vs-appraisal.html https://a-samadi.com/writing/dubai-property-buying-costs.html Build a dated Dubai purchase budget from official registration fees, mortgage charges and your own quotes. Separate total fees from the buyer’s share. Ahmadreza Samadi Tue, 20 Oct 2026 15:08:29 GMT https://a-samadi.com/writing/dubai-property-buying-costs.html https://a-samadi.com/writing/human-review-property-ai-checklist.html A practical human-review checklist for property AI: define the decision, check evidence, preserve uncertainty and record who can approve the next action. Ahmadreza Samadi Tue, 20 Oct 2026 15:08:29 GMT https://a-samadi.com/writing/human-review-property-ai-checklist.html https://a-samadi.com/writing/rent-or-buy-five-numbers.html Compare rent and ownership using matched housing, running costs, upfront cash, time and net exit proceeds. Keep cash affordability separate from wealth. Ahmadreza Samadi Tue, 20 Oct 2026 15:08:29 GMT https://a-samadi.com/writing/rent-or-buy-five-numbers.html https://a-samadi.com/writing/tesla-roadster-flight-claim.html An illustrated hangar explains thrust and separates a manufacturer claim from availability and public-road approval. Ahmadreza Samadi Mon, 19 Oct 2026 17:55:38 GMT https://a-samadi.com/writing/tesla-roadster-flight-claim.html https://a-samadi.com/writing/ai-agents-shared-notebook.html A fictional repair workshop explains reusable agent knowledge, context checks and a boundary for private project information. Ahmadreza Samadi Mon, 19 Oct 2026 06:43:02 GMT https://a-samadi.com/writing/ai-agents-shared-notebook.html https://a-samadi.com/writing/phone-location-across-street.html A fictional pickup explains reflected satellite signals, an uncertain map dot and a practical way to agree where to meet. Ahmadreza Samadi Sun, 18 Oct 2026 17:30:00 GMT https://a-samadi.com/writing/phone-location-across-street.html https://a-samadi.com/writing/geospatial-ai-map-answer-review.html Which boundary? Which date? Which source and assumptions? Keep unsupported conclusions open. Ahmadreza Samadi Sat, 17 Oct 2026 17:30:04 GMT https://a-samadi.com/writing/geospatial-ai-map-answer-review.html https://a-samadi.com/writing/bacnet-building-devices-common-language.html Our checklist: which devices, which data and commands, and who verifies the integration? Ahmadreza Samadi Sat, 17 Oct 2026 14:30:04 GMT https://a-samadi.com/writing/bacnet-building-devices-common-language.html https://a-samadi.com/writing/on-device-ai-scam-warnings-explained.html Our framework: stop the rushed action, use a trusted separate contact route, keep uncertainty visible. Ahmadreza Samadi Sat, 17 Oct 2026 08:30:05 GMT https://a-samadi.com/writing/on-device-ai-scam-warnings-explained.html https://a-samadi.com/writing/which-dubai-property-source.html Choose Dubai property sources by purpose: sale and mortgage fees, rental benchmarks, sales-price indices or a specific valuation. Keep dates and limits visible. Ahmadreza Samadi Fri, 16 Oct 2026 21:27:39 GMT https://a-samadi.com/writing/which-dubai-property-source.html https://a-samadi.com/writing/where-wearable-ai-computation-runs.html Which task runs locally? What is sent out? What happens without a connection? Ahmadreza Samadi Fri, 16 Oct 2026 20:11:18 GMT https://a-samadi.com/writing/where-wearable-ai-computation-runs.html https://a-samadi.com/writing/building-leak-alert-response-checklist.html Who receives it? Who responds? How do we know the issue was checked? Ahmadreza Samadi Fri, 16 Oct 2026 20:11:11 GMT https://a-samadi.com/writing/building-leak-alert-response-checklist.html https://a-samadi.com/writing/ai-document-review-claim-evidence-checklist.html Our checklist: write the claim, locate its support, then resolve the gap or keep it visible. Ahmadreza Samadi Fri, 16 Oct 2026 20:11:04 GMT https://a-samadi.com/writing/ai-document-review-claim-evidence-checklist.html https://a-samadi.com/writing/virtual-machine-device-sharing-explained.html Our original checklist: Which virtual PC? Which resources? Do I need each one? The film is conceptual, not product footage or a tested setup. Ahmadreza Samadi Fri, 16 Oct 2026 20:10:54 GMT https://a-samadi.com/writing/virtual-machine-device-sharing-explained.html https://a-samadi.com/writing/why-occupancy-sensor-lights-switch-off.html A sensor can miss the clue that you are there. Ahmadreza Samadi Thu, 15 Oct 2026 14:30:54 GMT https://a-samadi.com/writing/why-occupancy-sensor-lights-switch-off.html https://a-samadi.com/writing/why-rent-to-value-is-not-property-yield.html Why a metro rent-to-value ratio is not an observed property yield. A fictional cash budget shows the difference and the next evidence to check. Ahmadreza Samadi Thu, 15 Oct 2026 09:10:34 GMT https://a-samadi.com/writing/why-rent-to-value-is-not-property-yield.html https://a-samadi.com/writing/why-ai-weather-models-need-local-observations.html A clever model still needs clues from the real world. Ahmadreza Samadi Thu, 15 Oct 2026 08:31:10 GMT https://a-samadi.com/writing/why-ai-weather-models-need-local-observations.html https://a-samadi.com/writing/building-laser-scans-point-clouds-explained.html Use the scan as evidence for a defined question. It does not certify structural safety, hidden services or universal accuracy. No real building was surveyed for this post. Ahmadreza Samadi Wed, 14 Oct 2026 14:30:41 GMT https://a-samadi.com/writing/building-laser-scans-point-clouds-explained.html https://a-samadi.com/writing/ai-inference-memory-movement-explained.html Our original framework: identify the workload, locate the bottleneck, then test the complete result. No chip test, measured saving or vendor ranking is claimed. Ahmadreza Samadi Wed, 14 Oct 2026 08:34:37 GMT https://a-samadi.com/writing/ai-inference-memory-movement-explained.html https://a-samadi.com/writing/ai-data-center-site-readiness.html Power, cooling, networks and building fit explained through fictional sites, with current JLL and Meta sources and questions for specialist review. Ahmadreza Samadi Tue, 13 Oct 2026 14:42:26 GMT https://a-samadi.com/writing/ai-data-center-site-readiness.html https://a-samadi.com/writing/small-ai-models-task-routing-explained.html Haiku 5.5 is a current example of narrow AI work. Learn task definition, evaluation, routing and a fictional cost calculation without assuming equal quality. Ahmadreza Samadi Tue, 13 Oct 2026 10:01:09 GMT https://a-samadi.com/writing/small-ai-models-task-routing-explained.html 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 Follow a supported phone message from a satellite back to Earth. Check service support, a clear sky view and delivery limits before going off-grid. 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 AI property valuation needs current facts, comparable sales and uncertainty checks. Learn how to review an estimate and resolve conflicting valuations. 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 prepare real estate information; people must verify material claims and explain uncertainty before a client decides. Use an explicit review 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 Two batteries can power one foldable phone with one charge reading. See why capacity and usable energy matter more than averaging two percentages. 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 ZIP bundles files and can use lossless compression. Learn how DEFLATE restores every byte, why JPG and MP4 may barely shrink, and why compression is not encryption. 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 A passkey proves access to a private key; Face ID approves its use locally. Learn what the website receives and what to check for account recovery. 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 How TypeSafe describes Jev, how bounded decisions differ from chatbot replies, and what to check before using a model to route a real workflow. 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 accepted 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