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Tech Stories Tech Brief By HackerNoon

HackerNoon

Learn the latest tech-stories updates in the tech world.

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  • 68 episodes
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Counted on this page — what you have heard stays on this device, so it is not something the list can be paged by.
  • Yesterday · 3 min

    How to Cut Your AWS SQS Costs Without Redesigning Your Architecture

    This story was originally published on HackerNoon at: https://hackernoon.com/how-to-cut-your-aws-sqs-costs-without-redesigning-your-architecture. Cut AWS SQS costs with long polling, standard queues, idempotent consumers, and simple cleanup of unused queues. Check more stories related to tech-stories at: https://hackernoon.com/c/tech-stories. You can also check exclusive content about #infrastructure, #aws, #sqs, #aws-cost-optimization, #cost-optimization, #aws-sqs, #aws-sqs-costs, #sqs-standard-queues, and more. This story was written by: @lucastonelli. Learn more about this writer by checking @lucastonelli's about page, and for more stories, please visit hackernoon.com. Enabling long polling and using standard queues instead of FIFO queues can significantly reduce SQS costs by minimizing the number of requests made to the service. Additionally, deleting unused queues and implementing idempotency and timestamps in application code can also help minimize waste and save money.

  • Yesterday · 8 min

    I Built a Budget Optimiser That Showed Me the Cost of My Own Rules

    This story was originally published on HackerNoon at: https://hackernoon.com/i-built-a-budget-optimiser-that-showed-me-the-cost-of-my-own-rules. Building CLARO showed how shadow prices and constraint analysis can make marketing budget recommendations easier to understand and challenge. Check more stories related to tech-stories at: https://hackernoon.com/c/tech-stories. You can also check exclusive content about #linear-programming, #resource-allocation, #decision-support-systems, #marketing-budget-optimization, #diminishing-returns, #shadow-prices, #pulp, #cbc-solver, and more. This story was written by: @HodaRezvanjoo_3m2h4pek. Learn more about this writer by checking @HodaRezvanjoo_3m2h4pek's about page, and for more stories, please visit hackernoon.com. Building a Python budget optimiser led the author to focus on explaining recommendations: which constraints matter, what trade-offs they impose, and how alternative allocations compare.

  • Friday · 20 min

    Nostr: Introducing Decentralized Social Communication

    This story was originally published on HackerNoon at: https://hackernoon.com/nostr-introducing-decentralized-social-communication. Nostr replaces platform-owned identity with a keypair you control. A plain-language breakdown of how it actually works, protocol, events, relays, zaps. Check more stories related to tech-stories at: https://hackernoon.com/c/tech-stories. You can also check exclusive content about #nostr, #software-development, #bitcoin, #web3, #article-writing, #software-engineering, #open-source, #social-media, and more. This story was written by: @tobses. Learn more about this writer by checking @tobses's about page, and for more stories, please visit hackernoon.com. Nostr lets you own your identity instead of renting it from a platform. No account a company can delete, just a keypair only you hold. This piece walks through how it actually works: the protocol, how identity is just a public/private key, how events and relays move data around without a central server, and how zaps let people send bitcoin directly for a post, no algorithm involved.

  • Thursday · 4 min

    Building DrakoFlow Across the Web, VS Code, and IntelliJ

    This story was originally published on HackerNoon at: https://hackernoon.com/building-drakoflow-across-the-web-vs-code-and-intellij. Explore why DrakoFlow chose TypeScript to build a modern, interactive UML engine that works across the web, VS Code, IntelliJ, and more. Check more stories related to tech-stories at: https://hackernoon.com/c/tech-stories. You can also check exclusive content about #uml, #uml-diagrams, #typescript, #documentation, #technical-documentation, #development, #cross-platform-apps, #software-architecture, and more. This story was written by: @pazvanti. Learn more about this writer by checking @pazvanti's about page, and for more stories, please visit hackernoon.com. Explore why DrakoFlow chose TypeScript to build a modern, interactive UML engine that works across the web, VS Code, IntelliJ, and more.

  • Thursday · 16 min

    You Can Now Run Claude Code for $0. Here's the Exact Setup That Actually Works.

    This story was originally published on HackerNoon at: https://hackernoon.com/you-can-now-run-claude-code-for-$0-heres-the-exact-setup-that-actually-works. Ollama added native Anthropic API support in January 2026. Claude Code can now route to local open-source models instead of Anthropic's servers. No API key. Check more stories related to tech-stories at: https://hackernoon.com/c/tech-stories. You can also check exclusive content about #ollama, #claude-code, #beginners, #tutorial, #open-source, #developer-tools, #ai, #claude, and more. This story was written by: @cloudsavant. Learn more about this writer by checking @cloudsavant's about page, and for more stories, please visit hackernoon.com. Ollama added native Anthropic API support in January 2026. Claude Code can now route to local open-source models instead of Anthropic's servers. No API key.

  • Wednesday · 11 min

    Terra Nova: Fear, Intelligence, and the AI Revolution

    This story was originally published on HackerNoon at: https://hackernoon.com/terra-nova-fear-intelligence-and-the-ai-revolution. AI is creating a Terra Nova,a new world where intelligence is abundant, fear is widespread, and the rules of human relevance are being rewritten. Check more stories related to tech-stories at: https://hackernoon.com/c/tech-stories. You can also check exclusive content about #tech-essay, #artificial-intelligence, #fear-of-artificial-intellignce, #ai-anxiety, #critical-thinking, #human-intelligence, #ai-competition, #ai-and-education, and more. This story was written by: @verlainedevnet. Learn more about this writer by checking @verlainedevnet's about page, and for more stories, please visit hackernoon.com. AI is creating a Terra Nova,a new world where intelligence is abundant, fear is widespread, and the rules of human relevance are being rewritten. Instead of fearing AI, we must learn to adapt, build, contribute, and redefine what makes human intelligence valuable.

  • Wednesday · 5 min

    Hollywood, Microdramas, and the Business of Capturing Attention

    This story was originally published on HackerNoon at: https://hackernoon.com/hollywood-microdramas-and-the-business-of-capturing-attention. HackerNoon readers weigh in on whether Hollywood is adapting to new viewing habits or exploiting the attention economy through microdramas. Check more stories related to tech-stories at: https://hackernoon.com/c/tech-stories. You can also check exclusive content about #3-tech-polls, #hackernoon-polls, #attention-economy, #hollywood-microdramas, #hackernoon-poll-results, #ai-entertainment, #short-form-video, #ai-generated-microdramas, and more. This story was written by: @3techpolls. Learn more about this writer by checking @3techpolls's about page, and for more stories, please visit hackernoon.com. HackerNoon readers are split on microdramas: many see them as both audience adaptation and attention exploitation, while prediction markets point to TikTok’s influence and the next wave of AI-generated entertainment.

  • Tuesday · 6 min

    How Agentic AI is Becoming a Non-Negotiable CX Powerhouse for SMBs

    This story was originally published on HackerNoon at: https://hackernoon.com/how-agentic-ai-is-becoming-a-non-negotiable-cx-powerhouse-for-smbs. The capabilities of agentic AI have rapidly evolved into an essential consideration for SMBs that are serious about their customer experience models. Check more stories related to tech-stories at: https://hackernoon.com/c/tech-stories. You can also check exclusive content about #smbs, #small-business, #small-business-marketing, #ai, #artificial-intelligence, #agentic-ai-for-smbs, #autonomous-ai-agents, #ai-personalization, and more. This story was written by: @dmytrospilka. Learn more about this writer by checking @dmytrospilka's about page, and for more stories, please visit hackernoon.com. The capabilities of agentic AI have rapidly evolved into an essential consideration for SMBs that are serious about their customer experience models, as well as serving on a B2B client basis.

  • Tuesday · 13 min

    BRKZ Raises $31 Million From Aramco's Wa'ed and 500 Global to Scale AI Procurement

    This story was originally published on HackerNoon at: https://hackernoon.com/brkz-raises-$31-million-from-aramcos-waed-and-500-global-to-scale-ai-procurement. BRKZ secures $13M Series B led by Wa'ed Ventures and 500 Global plus $18M Stride debt, as the Saudi AI procurement platform triples revenue again in 2026. Check more stories related to tech-stories at: https://hackernoon.com/c/tech-stories. You can also check exclusive content about #brkz, #procurement, #startup-funding, #wa'ed-ventures, #500-global, #stride-ventures, #technology, #good-company, and more. This story was written by: @ishanpandey. Learn more about this writer by checking @ishanpandey's about page, and for more stories, please visit hackernoon.com. BRKZ, the Riyadh-based building materials procurement platform, has secured $31 million in new capital: a $13 million Series B co-led by Aramco's Wa'ed Ventures and 500 Global, with BECO Capital and Anb Seed Fund participating, plus an $18 million growth-debt commitment from Stride Ventures drawn under the $30 million facility agreed in October 2025. Revenue grew 2.5x in 2025 on top of 4x in 2024 and is on track to triple again in 2026, a run recorded through a year of regional supply-chain disruption. The platform now serves more than 1,500 contracting companies and 150 factories through roughly 2,100 suppliers, has sold more than $133 million (SAR 500 million) of materials and has priced more than $1.37 billion (SAR 5.13 billion) of RFQs since inception. An AI pricing engine trained on about 40,000 RFQs now lands 84 to 89 percent of its predictions within 5 percent of the final transacted price, while an agent called Nusa closes roughly three-quarters of bulk-cement delivery notes without human intervention. Total capital raised since inception now exceeds $70 million across equity and debt, with the Series B still open to additional strategic investors.

  • Monday · 21 min

    Whose Memory Is It? Building Multi-Tenant, Multi-Tier Memory for AI Agents (Part 4)

    This story was originally published on HackerNoon at: https://hackernoon.com/whose-memory-is-it-building-multi-tenant-multi-tier-memory-for-ai-agents-part-4. This is a 4-part series on how agents remember:building short-, medium- and long-term memory thatscales across users, agents, and kubernetes clusters. Check more stories related to tech-stories at: https://hackernoon.com/c/tech-stories. You can also check exclusive content about #agents, #ai-agents, #memory, #agent-memory, #ai-agent-memory, #multi-tenant-ai, #multi-tier-memory, #hackernoon-top-story, and more. This story was written by: @axsaucedo. Learn more about this writer by checking @axsaucedo's about page, and for more stories, please visit hackernoon.com. This is a 4-part series on how agents remember:building short-, medium- and long-term memory thatscales across users, agents, and kubernetes clusters.

  • September 13 · 4 min

    Why Default Kubernetes HPA Fail for Modern Workloads And Why We Switched to KEDA

    This story was originally published on HackerNoon at: https://hackernoon.com/why-default-kubernetes-hpa-fail-for-modern-workloads-and-why-we-switched-to-keda. KEDA gives the best of both worlds: proactive autoscaling to protect performance, and scale-to-zero efficiency to cut cloud costs. Check more stories related to tech-stories at: https://hackernoon.com/c/tech-stories. You can also check exclusive content about #keda, #keda-autoscaling, #kubernetes-hpa, #kubernetes, #kubernetes-cluster, #infrastructure, #kubenetes-vs-keda, #kubernetes-or-keda, and more. This story was written by: @himashimeththasena_techstack6978. Learn more about this writer by checking @himashimeththasena_techstack6978's about page, and for more stories, please visit hackernoon.com. By shifting from the default Kubernetes HPA to KEDA, we will align the infrastructure with the actual demands of event-driven architectures.

  • September 12 · 5 min

    From CV to Proof of Contributions (PoC): How Engineers Can Prove Their Skills and Impact

    This story was originally published on HackerNoon at: https://hackernoon.com/from-cv-to-proof-of-contributions-poc-how-engineers-can-prove-their-skills-and-impact. As AI transforms how we work, learn, and recruit, traditional CVs are becoming less powerful as proof of technical ability. Check more stories related to tech-stories at: https://hackernoon.com/c/tech-stories. You can also check exclusive content about #curriculum-vitae, #future-of-work, #artificial-intelligence, #proof-of-contribution, #developer-hiring, #engineering-careers, #ai-and-employment, #github-portfolio, and more. This story was written by: @verlainedevnet. Learn more about this writer by checking @verlainedevnet's about page, and for more stories, please visit hackernoon.com. The CV is no longer enough to prove what an engineer or developer can do. In the age of AI, real-world contributions, projects, and measurable impact may become the strongest evidence of technical skills.

  • September 12 · 6 min

    A Private Debt Crisis

    This story was originally published on HackerNoon at: https://hackernoon.com/a-private-debt-crisis. Private credit’s rise has made leverage feel routine. Higher rates should push private capital back toward durable, unlevered value creation. Check more stories related to tech-stories at: https://hackernoon.com/c/tech-stories. You can also check exclusive content about #leverage, #private-equity, #debt, #credit, #private-debt-risk, #private-debt, #private-debt-crisis, #financial-crisis, and more. This story was written by: @galestrategies. Learn more about this writer by checking @galestrategies's about page, and for more stories, please visit hackernoon.com. Private credit has made leverage feel normal across private capital, but higher rates are exposing how much performance depended on cheap debt rather than stronger businesses. Patient, unlevered investing offers a more durable path by focusing on cash flow, operations, founder alignment, and long-term value creation.

  • September 11 · 10 min

    Cortisol Could Be the Next Big Wearable Tech Metric

    This story was originally published on HackerNoon at: https://hackernoon.com/cortisol-could-be-the-next-big-wearable-tech-metric. Cortisol tracking is coming to wearables. Here’s what continuous cortisol monitoring could reveal, why sweat sensors matter, and why context is crucial. Check more stories related to tech-stories at: https://hackernoon.com/c/tech-stories. You can also check exclusive content about #wearable-technology, #cortisol-monitoring, #sweat-biosensors, #wearable-cortisol-sensors, #stress-biomarkers, #hpa-axis, #digital-health, #healthtech, and more. This story was written by: @shradhapuri. Learn more about this writer by checking @shradhapuri's about page, and for more stories, please visit hackernoon.com. Cortisol could become the next major metric in wearable health tracking, but measuring it continuously is far harder than tracking heart rate or sleep. Sweat-based sensors are making passive cortisol monitoring possible, yet a single cortisol number means very little without context. The real value will come from tracking patterns over time, alongside sleep, activity, circadian rhythm, and individual baselines.

  • September 11 · 12 min

    Which GPU Do You Need for AI? A Practical VRAM Guide

    This story was originally published on HackerNoon at: https://hackernoon.com/which-gpu-do-you-need-for-ai-a-practical-vram-guide. Learn how to choose the right GPU for LLMs, RAG, image and video generation by comparing VRAM requirements, performance and cost. Check more stories related to tech-stories at: https://hackernoon.com/c/tech-stories. You can also check exclusive content about #vram, #vrm-software, #gpu-compute, #ai-workloads, #gpu-rental-platform, #ai-inference, #llms, #good-company, and more. This story was written by: @nosana. Learn more about this writer by checking @nosana's about page, and for more stories, please visit hackernoon.com. The right GPU depends on the complete workload—not just the model name. VRAM requirements change with model size, precision, context length, concurrency, resolution and workflow complexity. Estimate the required memory, compare suitable GPUs by speed and price, and test with realistic inputs before committing.

  • September 10 · 6 min

    Inside Milano AI Week 2026: What AI Looks Like Now

    This story was originally published on HackerNoon at: https://hackernoon.com/inside-milano-ai-week-2026-what-ai-looks-like-now. Two days at Europe's biggest AI event: a Women in AI stage, usable real-time translation, a humanoid robot, a parked Cybertruck, and no WiFi at all. Check more stories related to tech-stories at: https://hackernoon.com/c/tech-stories. You can also check exclusive content about #ai-conference, #enterprise-ai, #ai, #artificial-intelligence, #milano-ai-week, #milano-ai-week-2026, #autonomous-ai-agents, #hackernoon-top-story, and more. This story was written by: @helkyn-coello. Learn more about this writer by checking @helkyn-coello's about page, and for more stories, please visit hackernoon.com. Notes from Milano AI Week 2026. The Women in AI stage was the most genuine room in the building; the real-time translation headphones were quietly the most impressive technology, three-to-five second latency and meaning intact. A humanoid robot picking up boxes drew bigger crowds than any screen, and a static Cybertruck drew a permanent queue. Three ideas I'm still carrying: the gap between 59% using agentic AI and 9% running autonomous workflows, AI belongs in the data rather than the process, and knowledge bases live in relationships, not chunks. Also: organizers, handle WiFi and food first.

  • September 10 · 34 min

    The Nonlinear Science Behind Large Language Models

    This story was originally published on HackerNoon at: https://hackernoon.com/the-nonlinear-science-behind-large-language-models. LLMs are black boxes, but the principles that govern them are not. Read this article for a detailed introduction to chaos and complexity theory applied to LLMs. Check more stories related to tech-stories at: https://hackernoon.com/c/tech-stories. You can also check exclusive content about #chaos-theory, #complexity-theory, #llms, #nonlinear-dynamical-systems, #scaling-laws, #power-laws, #we-can-understand-llms, #a-new-frontier-in-science, and more. This story was written by: @thomascherickal. Learn more about this writer by checking @thomascherickal's about page, and for more stories, please visit hackernoon.com. If you want to understand who Large Language Models work, and how to study them systematically, read this article.

  • September 9 · 4 min

    Building Isolyne (Part 2): How We Detect Silent Architectural Drift with Zero AI Hallucinations

    This story was originally published on HackerNoon at: https://hackernoon.com/building-isolyne-part-2-how-we-detect-silent-architectural-drift-with-zero-ai-hallucinations. Why asking an LLM to "find team disagreements" is a fatal design flaw, and how we replaced probabilistic reasoning with deterministic set theory. Check more stories related to tech-stories at: https://hackernoon.com/c/tech-stories. You can also check exclusive content about #shipaton, #shipaton-2026, #app-monetization, #in-app-purchases, #isolyne, #software-architecture, #cqrs-architecture, #revenuecat-entitlements, and more. This story was written by: @abhi15. Learn more about this writer by checking @abhi15's about page, and for more stories, please visit hackernoon.com. Isolyne limits its LLM to extracting structured decisions, while TypeScript rules detect disagreements and missing ownership. The separation improves predictability, but still depends on reliable normalization upstream.

  • September 9 · 12 min

    Log4Shell Is Almost Five Years Old. Most Teams Still Can't Answer "What's In Our Software?"

    This story was originally published on HackerNoon at: https://hackernoon.com/log4shell-is-almost-five-years-old-most-teams-still-cant-answer-whats-in-our-software. Log4Shell exposed a hard truth: without an SBOM, teams may not know what's actually in their software. Check more stories related to tech-stories at: https://hackernoon.com/c/tech-stories. You can also check exclusive content about #sbom, #solarwinds-sunburst, #software-supply-chain-security, #log4shell, #slsa-framework, #cicd-vulnerability-scanning, #sigstore-cosign, #grype, and more. This story was written by: @drechi. Learn more about this writer by checking @drechi's about page, and for more stories, please visit hackernoon.com. Log4Shell showed why organizations need more than vulnerability scanners: they need a reliable, continuously updated inventory of the software they actually run. This guide explains how SBOMs, vulnerability scanning, artifact signing, SLSA, and Sigstore turn that inventory into an operational security capability.

  • September 8 · 15 min

    Your HubSpot Attribution Report Is Not a Revenue Ledger: A Four-Ledger Reconciliation Model for Enterprise GTM Teams

    This story was originally published on HackerNoon at: https://hackernoon.com/your-hubspot-attribution-report-is-not-a-revenue-ledger-a-four-ledger-reconciliation-model-for-enterprise-gtm-teams. HubSpot attribution assigns credit. Revenue reconciliation proves what happened. Use this four-ledger model to connect the two without false precision. Check more stories related to tech-stories at: https://hackernoon.com/c/tech-stories. You can also check exclusive content about #revops, #crm, #revenue-operations, #enterprise-software, #react-hubspot-integration, #marketing-attribution, #digital-marketing-analytics, #data-governance, and more. This story was written by: @mrpratikthakker. Learn more about this writer by checking @mrpratikthakker's about page, and for more stories, please visit hackernoon.com. An attribution model answers which interactions receive credit. It does not, by itself, prove who interacted, which opportunity converted, or what finance recognizes as revenue. Enterprise teams need four linked ledgers: Interaction, Identity, Opportunity, and Finance. Reconcile them with persistent identifiers, dated snapshots, explicit metric contracts, and a published variance report.

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