NewsTech NewsBusiness News

Tech Stories Tech Brief By HackerNoon

HackerNoon

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

Play

Open in

90 episodes
Avg 11 min
English

Episodes 90

Newest Oldest Longest

All20 Unplayed20 In progress0 Played0

Counted on this page — what you have heard stays on this device, so it is not something the list can be paged by.

Yesterday · 28 min
89 Blog Posts To Learn About 2020
This story was originally published on HackerNoon at: https://hackernoon.com/89-blog-posts-to-learn-about-2020. Learn everything you need to know about 2020 via these 89 free HackerNoon blog posts. Check more stories related to tech-stories at: https://hackernoon.com/c/tech-stories. You can also check exclusive content about #2020, #learn, #learn-2020, and more. This story was written by: @learn. Learn more about this writer by checking @learn's about page, and for more stories, please visit hackernoon.com.
Friday · 17 min
"Documentation is Our Front Door" says Unleash Developer Advocate Alex Casalboni
This story was originally published on HackerNoon at: https://hackernoon.com/documentation-is-our-front-door-says-unleash-developer-advocate-alex-casalboni. Alex Casalboni, Head of DevRel at Unleash, on FeatureOps, agent-ready docs, measuring DevRel by pipeline and building tools developers love. Check more stories related to tech-stories at: https://hackernoon.com/c/tech-stories. You can also check exclusive content about #hackernoon-interview, #feature-flags, #meet-the-developer-advocate, #documentation-is-our-frontdoor, #documentation-front-door, #documentation-door, #hackernoon-top-story, and more. This story was written by: @alex-casalboni. Learn more about this writer by checking @alex-casalboni's about page, and for more stories, please visit hackernoon.com. Alex Casalboni leads Developer Relations at Unleash, the open-source FeatureOps platform used by enterprises like Visa and Samsung. He explains how a weekend side project became a browser toolbar with nearly 10,000 weekly npm downloads, why Unleash now writes docs for AI agents as well as humans, and how the FeatureOps Manifesto set out to name a new category. He also covers why he measures DevRel by enterprise pipeline and whose work he admires most.
Friday · 7 min
When AI Makes Things Up: The Hallucination Problem in Financial Reporting
This story was originally published on HackerNoon at: https://hackernoon.com/when-ai-makes-things-up-the-hallucination-problem-in-financial-reporting. Check more stories related to tech-stories at: https://hackernoon.com/c/tech-stories. You can also check exclusive content about #ai-hallucinations, #finance, #ai-makeup, #financial-reporting, #risks-of-hallucination, #llms, #llm-hallucination, #sec, and more. This story was written by: @vijay-sudhakar. Learn more about this writer by checking @vijay-sudhakar's about page, and for more stories, please visit hackernoon.com. Large language models are being used in financial reporting, but they often produce "hallucinations" - factually incorrect information that sounds plausible. This can lead to significant risks, including SEC enforcement and reputational harm, and requires careful deployment and oversight to mitigate.
Thursday · 4 min
Community Marketing Is Getting Harder. Useful Content Is the Way In.
This story was originally published on HackerNoon at: https://hackernoon.com/community-marketing-is-getting-harder-useful-content-is-the-way-in. Advertising is everywhere, but tech brands can stand out by creating useful content that helps audiences solve problems and builds trust before the sale. Check more stories related to tech-stories at: https://hackernoon.com/c/tech-stories. You can also check exclusive content about #hack-marketing-with-hackernoon, #community-marketing, #tech-marketing, #content-marketing, #b2b-marketing, #developer-marketing, #brand-awareness, #hackernoon-top-story, and more. This story was written by: @hackmarketing. Learn more about this writer by checking @hackmarketing's about page, and for more stories, please visit hackernoon.com. As advertising spreads across more of the digital experiences people use every day, tech brands face a growing challenge: getting noticed without adding to the noise. Useful technical content gives brands a way to participate in communities, demonstrate expertise, and build familiarity with potential customers before asking for a sale.
Thursday · 4 min
South Florida's Hotel Boom Puts EV Charging Into the Parking Budget
This story was originally published on HackerNoon at: https://hackernoon.com/south-floridas-hotel-boom-puts-ev-charging-into-the-parking-budget. Miami-Dade adds 1,954 hotel rooms in 2026 as U.S. hotel parking revenue climbs 23.1%. Why hotel EV charging is now a parking budget line item in South Florida. Check more stories related to tech-stories at: https://hackernoon.com/c/tech-stories. You can also check exclusive content about #ev-charging, #electric-vehicles, #hospitality, #real-estate, #energy, #infrastructure, #business, #florida, and more. This story was written by: @sarahevans. Learn more about this writer by checking @sarahevans's about page, and for more stories, please visit hackernoon.com. Miami-Dade is set to add 1,954 hotel rooms in 2026, and U.S. hotel parking revenue rose 23.1% from 2019 to 2023, more than four times total hotel revenue growth, per CBRE. Level 2 EV charging fits cars that sit overnight, and Florida law lets condo owners and boards install it. For hotel operators and condo boards, charging is now a parking budget decision about dwell time, billing and uptime.
Wednesday · 9 min
Meet Haviva Fiskus: Building Quiet Cost to Help SaaS Founders Find Hidden Costs
This story was originally published on HackerNoon at: https://hackernoon.com/meet-haviva-fiskus-building-quiet-cost-to-help-saas-founders-find-hidden-costs. Discover how Haviva built Quiet Cost, balancing motherhood, special needs parenting, and tech innovation while calling for real change for women in tech. Check more stories related to tech-stories at: https://hackernoon.com/c/tech-stories. You can also check exclusive content about #technology, #women-in-tech, #women-in-tech-interview, #startup-interview, #women-in-technology, #startup-lessons, #women-led-startups, #startup-marketing, and more. This story was written by: @contentcraving. Learn more about this writer by checking @contentcraving's about page, and for more stories, please visit hackernoon.com. In this HackerNoon interview, B2B content marketing strategist and Quiet Cost founder Haviva shares her journey as a mother of two special-needs children overcoming unemployment and minimal support to build a SaaS diagnostic app. She addresses gender bias, AI hiring barriers, and trying to raising capital while celebrating human-centered tech leadership.
Wednesday · 4 min
Your Best Partner in the Agentic Era Is One You Can't Measure
This story was originally published on HackerNoon at: https://hackernoon.com/your-best-partner-in-the-agentic-era-is-one-you-cant-measure. In the agentic era, the AI choosing your product is your most important partner, and you can't measure it. Here's what broke, and what to track instead. Check more stories related to tech-stories at: https://hackernoon.com/c/tech-stories. You can also check exclusive content about #partnerships, #agentic-ai, #operations, #partnership-attribution, #ai-product-recommendations, #incrementality-measurement, #developer-tools, #ecosystem-partnerships, and more. This story was written by: @ferariassolis20. Learn more about this writer by checking @ferariassolis20's about page, and for more stories, please visit hackernoon.com. The traditional way of measuring partnerships is no longer effective in the AI-driven era, where a model's choices can't be tied back to a human partner. To succeed, companies must measure both the model's influence and the humans it still sends, using metrics like Share of Model and tracking user behavior over time.
Tuesday · 53 min
How to Load and Run a Java Card Applet on Real Hardware
This story was originally published on HackerNoon at: https://hackernoon.com/how-to-load-and-run-a-java-card-applet-on-real-hardware. Build a Java Card applet on real hardware. Working commands, a complete device-key demo, and the client bugs we mistook for a locked card. Check more stories related to tech-stories at: https://hackernoon.com/c/tech-stories. You can also check exclusive content about #javacard, #build-a-javacard-applet, #scp02, #smart-cards, #globalplatform, #embedded-security, #key-management, #hackernoon-top-story, and more. This story was written by: @vitaliy69. Learn more about this writer by checking @vitaliy69's about page, and for more stories, please visit hackernoon.com. Three cards, two operating systems, and a hand-rolled SCP02 stack. We build, load, and run a Java Card applet, then follow its device key through personalization, authentication, rotation, and revocation. Along the way, two apparent hardware failures turn out to be bugs in our own tools.
Monday · 8 min
Subnet Operator - I Must Break Your Spreadsheet
This story was originally published on HackerNoon at: https://hackernoon.com/subnet-operator-i-must-break-your-spreadsheet. I do not hate your spreadsheet. Hatred is inefficient. I observe only that it is wrong, that everyone in the room knows it is wrong... Check more stories related to tech-stories at: https://hackernoon.com/c/tech-stories. You can also check exclusive content about #subnet, #subnet-operator, #vpc, #productivity-tools, #spreadsheet-tools, #automation, #aws, #hackernoon-top-story, and more. This story was written by: @ivandrago. Learn more about this writer by checking @ivandrago's about page, and for more stories, please visit hackernoon.com. The text describes a tool called the subnet operator, which automates the management of subnets and VPCs in AWS by reading tags and CloudTrail events. It eliminates the need for manual spreadsheets and provides a more accurate and up-to-date view of the network.
Monday · 6 min
The Systems Around the Model: What Enterprise Architecture Gets Wrong
This story was originally published on HackerNoon at: https://hackernoon.com/the-systems-around-the-model-what-enterprise-architecture-gets-wrong. Enterprise AI reliability depends on more than model choice. Learn how context, data quality, retrieval, security, observability, and governance build trust. Check more stories related to tech-stories at: https://hackernoon.com/c/tech-stories. You can also check exclusive content about #ai-systems, #enterprise-ai-architecture, #enterprise-ai-reliability, #ai-context-management, #llm-enterprise-architecture, #ai-retrieval-and-data-quality, #enterprise-ai-security, #trustworthy-ai-systems, and more. This story was written by: @swapneswarsundarray. Learn more about this writer by checking @swapneswarsundarray's about page, and for more stories, please visit hackernoon.com. The smartest model is not enough if the surrounding system is weak. In enterprise AI, reliable context, trusted data sources, access control, observability, auditability, failure handling, and ongoing maintenance are what make an assistant dependable. As AI systems become more autonomous, the engineering around the model often matters more than the model itself.
September 27 · 3 min
Configuring Route 53 Subdomain Delegation With Terraform
This story was originally published on HackerNoon at: https://hackernoon.com/configuring-route-53-subdomain-delegation-with-terraform. Delegate environment subdomains to separate Route 53 hosted zones with Terraform, scoped permissions, and DNS verification checks. Check more stories related to tech-stories at: https://hackernoon.com/c/tech-stories. You can also check exclusive content about #web-hosting, #amazon-route-53, #dns-delegation, #public-hosted-zones, #subdomain-management, #terraform-aws-provider, #dns-troubleshooting, #infrastructure-as-code, 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. Zone delegation is a simple fix to prevent DNS chaos by separating hosted zones for each environment, reducing the blast radius and making IAM more manageable. This is achieved by delegating zones through NS records, allowing each environment to have its own independent zone with isolated record sets.
September 26 · 7 min
Fixing Checkpoint Recovery in SeaTunnel’s BigQuery Connector
This story was originally published on HackerNoon at: https://hackernoon.com/fixing-checkpoint-recovery-in-seatunnels-bigquery-connector. Apache SeaTunnel improved the BigQuery Sink Connector with thoughtful ideas and innovation, making data integration easier and better for everyone! Check more stories related to tech-stories at: https://hackernoon.com/c/tech-stories. You can also check exclusive content about #bigquery, #open-source, #big-data-analytics, #bigquery-sink, #apache-seatunnel, #bigquery-connector, #buffered-streams, #bigquery-storage-api, and more. This story was written by: @zhoujieguang. Learn more about this writer by checking @zhoujieguang's about page, and for more stories, please visit hackernoon.com. While working on the BigQuery Sink Connector for Apache SeaTunnel, I initially thought the main challenge would be straightforward: write rows into BigQuery correctly.
September 26 · 11 min
Your AI Context Is Becoming a Second CRM. Govern It Like One.
This story was originally published on HackerNoon at: https://hackernoon.com/your-ai-context-is-becoming-a-second-crm-govern-it-like-one. HubSpot Context Home centralizes what AI knows about your business. A six-clause Context Constitution keeps that knowledge accurate and governed. Check more stories related to tech-stories at: https://hackernoon.com/c/tech-stories. You can also check exclusive content about #revops, #hubspot, #artificial-intelligence, #crm, #data-governance, #enterprise-ai, #ai-agents, #knowledge-management, 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. HubSpot now separates reusable business context from use-case knowledge vaults. Treat this shared context as governed infrastructure. Assign ownership, source authority, visibility, precedence, freshness, and review rules before agents depend on it.
September 25 · 11 min
My Sea Router Turned a 50-Mile Canal Crossing Into a 10,337-Mile Detour
This story was originally published on HackerNoon at: https://hackernoon.com/my-sea-router-turned-a-50-mile-canal-crossing-into-a-10337-mile-detour. A 10,337-nautical-mile detour exposed how coastline data, H3 resolution, and distance quantization can break a global sea-routing graph. Check more stories related to tech-stories at: https://hackernoon.com/c/tech-stories. You can also check exclusive content about #gis, #h3-spatial-indexing, #openstreetmap, #maritime-route-planning, #h3-geospatial-indexing, #openstreetmap-coastline-data, #graph-edge-quantization, #hackernoon-top-story, and more. This story was written by: @capk. Learn more about this writer by checking @capk's about page, and for more stories, please visit hackernoon.com. I generated a global sea routing graph from OpenStreetMap land polygons. It routed Atlantic to Pacific around South America, 10,337 nm, because lock canals are not sea and so are missing from the coastline data. Subtracting the canal water polygons fixed it: 49.7 nm. Then four more bugs that only appeared at planet scale, each one in the seam between two components that were correct on their own.
September 24 · 13 min
AI Drone Agents for Autonomous Navigation
This story was originally published on HackerNoon at: https://hackernoon.com/ai-drone-agents-for-autonomous-navigation. This article is a builder's tour of how AI and autonomy come together to make a drone navigate on its own, and the classical stack that actually flies today. Check more stories related to tech-stories at: https://hackernoon.com/c/tech-stories. You can also check exclusive content about #drone, #drone-technology, #ai, #ai-agents, #autonomous-systems, #navigation, #ai-drone-agents, #autonomous-navigation, and more. This story was written by: @vishwagw. Learn more about this writer by checking @vishwagw's about page, and for more stories, please visit hackernoon.com. Drone navigation = determining position, orientation, and trajectory, then moving safely from A to B. It's a fusion of sensors, algorithms, and comms. The field evolved through four eras: manual control → GPS waypoints → sensor fusion → AI-driven autonomy. A working autonomous-drone system has four layers: perception (cameras, IMU, GPS/RTK, SLAM, VIO), processing (onboard AI compute), control (PX4/ArduPilot via MAVLink), and communication. The AI layer spans deep learning (CNNs, RNNs, transformers) for perception and reinforcement learning for navigation policies, with A*, RRT, and PRM doing path planning. Hardware in 2025 centers on NVIDIA Jetson Orin/Xavier class compute, global-shutter/HDR/IR cameras, and MEMS or fiber-optic IMUs. The newer "AI agent" framing is real but specific: VLN (natural-language navigation) and VLA (end-to-end vision-language-action) models like AutoFly and GRaD-Nav++ are moving from lab to onboard — but they still struggle with the high-frequency reactive control that keeps a drone from hitting things. Build in simulation first (Gazebo, AirSim), test in tethered → indoor → outdoor stages, and treat airspace regulation and cybersecurity as first-class, not afterthoughts.
September 24 · 3 min
Inside Tencent’s Platform Strategy: Weixin, Cloud and AI
This story was originally published on HackerNoon at: https://hackernoon.com/inside-tencents-platform-strategy-weixin-cloud-and-ai. A student view of Tencent’s platform strategy, enterprise AI tools and the lessons from building a rule-based HR onboarding prototype. Check more stories related to tech-stories at: https://hackernoon.com/c/tech-stories. You can also check exclusive content about #tencent, #software-development, #artificial-intelligence, #tencent-ai, #tencent-cloud, #wechat, #ai-development, #agent-development-platform, and more. This story was written by: @tianQin_hr00h8go. Learn more about this writer by checking @tianQin_hr00h8go's about page, and for more stories, please visit hackernoon.com. A student view of Tencent’s platform strategy, enterprise AI tools and the lessons from building a rule-based HR onboarding prototype.
September 23 · 11 min
Three quarters of email begins with nothing
This story was originally published on HackerNoon at: https://hackernoon.com/three-quarters-of-email-begins-with-nothing. 75% of real email opens with no greeting at all. We counted 71,216 messages: "Hi" dominates the rest — and "Dear" is now a phishing tell. Check more stories related to tech-stories at: https://hackernoon.com/c/tech-stories. You can also check exclusive content about #email, #email-etiquette, #email-etiquette-study, #email-etiquette-research, #digital-culture, #hackernoon-top-story, #email-begins-with-nothing, #email-begins-with, and more. This story was written by: @tatemae. Learn more about this writer by checking @tatemae's about page, and for more stories, please visit hackernoon.com. The sister study to our sign-off analysis — same 71,216 emails, opposite end of the message. 75.1% of human email opens with no greeting at all, and another 15.6% with just a bare name, leaving 9.3% that begins the way every etiquette guide assumes all email does. Among those who do greet, "Hi" takes 67.9% of Git mailing list greetings against 5.5% for "Dear"; at Enron in 1999–2002 it was far closer, 35.2% to 28.8%. The fraud corpora invert it: "Hello" and "Dear" are each 3.3x more common in spam and phishing, while humans use "Hi" nearly twice as often as scammers do. No-greeting rates run from 3% in Arabic academic email to 81% on the Git list — and on that list, greetings are rising, not falling.
September 22 · 1 min
Win 1 Free Day of Ad Space on The HackerNoon Newsletter
This story was originally published on HackerNoon at: https://hackernoon.com/win-1-free-day-of-ad-space-on-the-hackernoon-newsletter. Enter for a free day of ad space on The HackerNoon Newsletter, reaching 305K subscribers, plus a permanent web article for ongoing SEO visibility. Check more stories related to tech-stories at: https://hackernoon.com/c/tech-stories. You can also check exclusive content about #newsletter-ad-space, #hack-marketing-with-hackernoon, #hack-marketing, #hack-marketing-tips, #hackernoon-top-story, #tech-newsletter-advertising, #newsletter-advertising, #newsletter-marketing, and more. This story was written by: @hackmarketing. Learn more about this writer by checking @hackmarketing's about page, and for more stories, please visit hackernoon.com. HackerNoon is offering limited free ad space on The HackerNoon Newsletter, reaching 305K subscribers with a 13–15% open rate and 10–13% click-to-open rate. Find the code in upcoming Hack Marketing newsletters to enter for a free ad day, plus a permanent web article that can continue generating search visibility.
September 22 · 11 min
How We Built an LLM Review Pipeline and Why 91.67% Accuracy Wasn’t Enough
This story was originally published on HackerNoon at: https://hackernoon.com/how-we-built-an-llm-review-pipeline-and-why-9167percent-accuracy-wasnt-enough. How we built a nightly LLM review pipeline across 14 companies—and learned why 91.67% accuracy still couldn’t explain a sudden market signal. Check more stories related to tech-stories at: https://hackernoon.com/c/tech-stories. You can also check exclusive content about #ai-automation, #customer-support-automation, #automated-customer-service, #ai-workflow-automation, #customer-review-classification, #multi-label-classification, #sentiment-f1-scores, #data-pipeline-validation, and more. This story was written by: @oleksandrtryvailo. Learn more about this writer by checking @oleksandrtryvailo's about page, and for more stories, please visit hackernoon.com. AUTODOC’s Innovation & AI Team built a nightly review-analysis workflow covering fourteen companies across three markets. A 300-review evaluation achieved 91.67% sentiment accuracy but exposed weak categories and questionable reference labels. A sharp decline in one company’s public reviews reinforced another limitation: accurate classification cannot establish why a business signal changed.
September 21 · 7 min
What If Your Prompt Could Feed Someone a Strawberry?
This story was originally published on HackerNoon at: https://hackernoon.com/what-if-your-prompt-could-feed-someone-a-strawberry. Every prompt ends as heat, and data centers pay to throw it away. That heat could grow food year-round at the fence line. Both political parties are missing it. Check more stories related to tech-stories at: https://hackernoon.com/c/tech-stories. You can also check exclusive content about #data-centers, #ai-infrastructure, #liquid-cooled, #agtech, #agtech-innovation, #miedterm-elections, #waste-heat-recovery, #2020-elections, and more. This story was written by: @intelligent-harvest. Learn more about this writer by checking @intelligent-harvest's about page, and for more stories, please visit hackernoon.com. Both parties are fighting over whether to build the box. Neither is asking what the box does with what it makes.

Showing 1–20 of 90 episodes