Radar MJCR sobre SaaS, IA, WebDEV e negócios digitais.
Uma curadoria automática de tendências, notícias e discussões úteis para quem cria produtos digitais, vende serviços online ou acompanha inteligência artificial aplicada aos negócios.
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Os cards abaixo levam para as fontes originais. A MJCR organiza a leitura para facilitar pesquisa, repertório e tomada de decisão.
Free DESIGN.md Files for AI Coding Agents – 1,928 Design Systems You Can Use
AI coding tools like Cursor, Claude Code, and GitHub Copilot can generate interfaces quickly. But getting them to follow a consistent design system is another challenge. Without clear design instructions, AI-generated i…
Context Rendering and Delta Review for YouTube Thumbnails
Context Rendering and Delta Review for YouTube Thumbnails I used to review thumbnails as export files: open the PNG, zoom to 100%, adjust a few pixels, export again. That process created a false sense of precision. The…
WebGPU vs WASM cold start for a matting model: only 80–140 ms apart
Picture a small tool that strips the background off short clips, like a five-second product demo or a talking-head intro for a landing page. The first thing a user waits for is one preview frame, and that wait is sessio…
Why Disabling Downloads Does Not Revoke a Signed URL
A photographer disables downloads for a private client gallery. The download button disappears immediately. An API test confirms that new download requests return 403. Then someone pastes a previously generated file URL…
Month-end reconciliation took me a full afternoon until I pasted two lists
Every month I closed the books by opening my invoice list and my Stripe export in two windows and eyeballing rows against each other. It took an afternoon, I still found mismatches the next day, and "partially paid" was…
What to time when benchmarking in-browser inference, after WebGPU returned empty masks
Does WebGPU beat WASM for in-browser video matting? The first results table in this test said yes, 35.0 ms per 1280×720 frame on WebGPU against 87.2 ms on WASM with 4 threads. The output check said otherwise. By frame 1…
SEO for AI Agents: Make Your Website Discoverable and Actionable
Originally published on We0 on November 10, 2026. This English edition was adapted with AI assistance. A page can be indexed and still be difficult for an agent to use. Test whether agents can read key information, unde…
Following Redirect Chains That Break Link Previews: Cap the Hops, Prefer Absolute Location Headers, and Read the Final HTML
A page can look perfect in the browser and still share as the wrong card. The usual suspect is a redirect. The address in the chat is not the address that answers with the Open Graph tags. Something in the middle return…
Google and Adobe link Acrobat and an AI agent to Gemini
Google announced on Nov 10, 2026, at Adobe MAX, that it is expanding its partnership with Adobe. The plan runs in two directions: Adobe's creative and productivity tools move into Google products, and Google's frontier…
AI Coding Agents vs. Website Builders: Choosing Who Owns Delivery
Originally published on We0 on November 10, 2026. This English edition was adapted with AI assistance. Code generation is one part of shipping a website. This comparison focuses on who owns authentication, payments, con…
Scrunch says citation half-life is 4-5 weeks. Profound says 11 days. Here's why they disagree.
Scrunch AI published a study based on 3.5 million citation events and found that the half-life of an AI citation is 4-5 weeks. Profound published a study based on 883,000 pages and found that the median half-life is 11…
The BI Dashboard Paradox: Why We Keep Building Dashboards and What AI Will Change
Why is BI Dashboard So Popular in Traditional BI Era? If you work in a data team, you are probably familiar with this situation. A business department needs to understand something about its performance. They contact th…
Show DEV: Knowyx — 67 small AI tools on one site, one credit balance
We kept running into the same annoyance: every tiny AI task seemed to need its own app, its own account and its own subscription. So we put the tools on one website instead. Knowyx (https://knowyx.com/) currently hosts…
The Knowledge in Your Head: Why Your Business Needs a Memory of Its Own
The Knowledge in Your Head: Why Your Business Needs a Memory of Its Own It is Tuesday morning, and the owner is away for one day — a family matter, nothing dramatic. By ten o'clock, the phone has rung four times with th…
How AI Agents Save Small Businesses Hours Every Week
For many small businesses, the workday is full of small tasks that add up fast. Answering the same questions, chasing bookings, and pulling numbers together for a weekly report can take hours that could go to customers…
I stopped explaining hard concepts the same way to everyone
I used to explain technical ideas the way I'd want them explained: precise, complete, with the caveats. Then a junior coworker told me they'd nodded along and understood nothing, while a PhD friend said the same explana…
Should I Open Source my B2B SaaS Startup?!
I’m the founder of an early-stage B2B SaaS startup building software for higher education institutions. I’ve spent the past year developing a truly novel solution to a major industry pain point. The reception has been e…
Eventually you have to be a sales guy!
Before making any product make sure that there is at least one customer who is ready to pay for your product. submitted by /u/Entire_Wonder_7181 [link] [comments]
Greg Kurtzer's Ginux is now a userspace kernel
Article URL: https://github.com/gmkurtzer/ginux Comments URL: https://news.ycombinator.com/item?id=50450007 Points: 48 # Comments: 22
Pure pay-per-use or a base fee plus usage? Which way did you go?
seeing this come up a lot lately, especially with AI products where costs scale with usage. one camp says pure usage is the fairest model. customers start small, nobody pays for seats they don't use, and revenue grows a…
Protecting SSH Keys with macOS Secure Enclave
Article URL: https://gatezh.com/posts/macos-secure-enclave-ssh-keys/ Comments URL: https://news.ycombinator.com/item?id=50449748 Points: 130 # Comments: 46
Tom Struggles in AI world
submitted by /u/ChefNervous1076 [link] [comments]
Fórum Senac de Modelagem Criativa discute inteligência artificial, circularidade e novos modelos de negócios na moda - Brasil Inovador
Fórum Senac de Modelagem Criativa discute inteligência artificial, circularidade e novos modelos de negócios na moda Brasil Inovador
To deter bioterrorism, U.S. imposes new rules on ordering synthetic DNA
Article URL: https://www.science.org/content/article/deter-bioterrorism-u-s-imposes-new-rules-ordering-synthetic-dna Comments URL: https://news.ycombinator.com/item?id=50449275 Points: 77 # Comments: 44
Hooked on Tuna
https://blue-continuum.com/hooked-on-tuna Comments URL: https://news.ycombinator.com/item?id=50449080 Points: 29 # Comments: 3
A great old-timey game-programming hack (2013)
Article URL: https://blog.moertel.com/posts/2013-12-14-great-old-timey-game-programming-hack.html Comments URL: https://news.ycombinator.com/item?id=50448921 Points: 122 # Comments: 18
MRV vence prêmio por adoção de IA nos negócios - CNN Brasil
MRV vence prêmio por adoção de IA nos negócios CNN Brasil
LLMs Play Zachtronics' TIS-100
Article URL: https://tis-100.wincon.dev/ Comments URL: https://news.ycombinator.com/item?id=50448340 Points: 49 # Comments: 9
AI is becoming an information gateway. Audiences still don’t want it making news
Article URL: https://www.niemanlab.org/2026/11/ai-is-becoming-an-information-gateway-audiences-still-dont-want-it-making-their-news/ Comments URL: https://news.ycombinator.com/item?id=50448174 Points: 53 # Comments: 39
Tracking Anthropic-discovered vulnerabilities
Article URL: https://www.vulncheck.com/blog/anthropic-glasswing-november-update Comments URL: https://news.ycombinator.com/item?id=50447074 Points: 391 # Comments: 181
IA já está na rotina de 51% dos pequenos negócios - Omie
IA já está na rotina de 51% dos pequenos negócios Omie
Abeta Summit: crise climática, inteligência artificial e novos investimentos estão na pauta do maior encontro de turismo de natureza do Bra…
Abeta Summit: crise climática, inteligência artificial e novos investimentos estão na pauta do maior encontro de turismo de natureza do Brasil VOENEWS
My new SaaS reached $1200 MRR!!
I've spent the last 5 months working on a new product, (was not moving above 200-300 MRR) and it started grow super fast lately! I attribute the slow growth to multiple things: - my product was not good enough (hard tru…
Tecnologia e inovação entram na pauta do desenvolvimento - Prefeitura de Ubatuba
Tecnologia e inovação entram na pauta do desenvolvimento Prefeitura de Ubatuba
I just got my first sale ($19), best day of my life!!!
I was about to give up on this app I spent so much time building, but literally 2 minutes after deciding to switch to another project, I got the sale notification on my phone! I haven’t experienced this kind of joy in y…
Onde estão as oportunidades para o Brasil na Inteligência Artificial? - Exame
Onde estão as oportunidades para o Brasil na Inteligência Artificial? Exame
Itaú anuncia IA generativa para pequenos negócios - CNN Brasil
Itaú anuncia IA generativa para pequenos negócios CNN Brasil
Inteligência artificial avança entre pequenos negócios e já faz parte da rotina de 51% deles - Brasil 247
Inteligência artificial avança entre pequenos negócios e já faz parte da rotina de 51% deles Brasil 247
Pequenos negócios do Brasil usam mais IA que os norte-americanos, aponta Sebrae - Agência Sebrae de Notícias
Pequenos negócios do Brasil usam mais IA que os norte-americanos, aponta Sebrae Agência Sebrae de Notícias
Prefeitura de Manaus abre inscrições para ‘Trilha da Tecnologia’ - Prefeitura de Manaus
Prefeitura de Manaus abre inscrições para ‘Trilha da Tecnologia’ Prefeitura de Manaus
Guia: As 40 Melhores Empresas de Desenvolvimento de Sites - Hostinger
Guia: As 40 Melhores Empresas de Desenvolvimento de Sites Hostinger
New rule banning a SaaS product category: No Promotional or Advertising SaaS
Hello SaaSers, Today we are announcing a new rule against content dedicated to an entire Software as a Service product category on the sub: Promotional or Advertising SaaS. We as moderators and regular users have been s…
r/SaaS v2 is Building in Public - month 1
Hello fellow SaaS-ers, Exactly one month ago, u/ModCodeofConduct notified u/Dubinko and myself about being selected to moderate this sub, as the previous mod team was deemed unfit for the task. This message is meant to…
Empresas ampliam contratações em Tecnologia no Brasil em 2026 - Educa Mais Brasil
Empresas ampliam contratações em Tecnologia no Brasil em 2026 Educa Mais Brasil
Programa de aceleração de negócios de tecnologia de SP prorroga inscrições - Prefeitura de São Paulo
Programa de aceleração de negócios de tecnologia de SP prorroga inscrições Prefeitura de São Paulo
Escolas do Futuro de Goiás abrem mais de 6 mil vagas para cursos gratuitos - Goias.GOV
Escolas do Futuro de Goiás abrem mais de 6 mil vagas para cursos gratuitos Goias.GOV
A diferença entre o SaaS brasileiro e latino-americano - Pipeline
A diferença entre o SaaS brasileiro e latino-americano Pipeline
Principais tendências de desenvolvimento de aplicações - IBM
Principais tendências de desenvolvimento de aplicações IBM
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