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Ideas on AI and data

Practical guides, trends and behind-the-scenes from people who live and breathe artificial intelligence and data.

How Google's AI Decides Who Shows Up (and What We Did to Show Up)Business
★ Featured

How Google's AI Decides Who Shows Up (and What We Did to Show Up)

Half of the sources cited by Google's AI answers are not even in the top 50 results. The rules changed. What Google says matters, what we found auditing our own blog, and a checklist for your company.

7 min read·Aug 28, 2026
Brazil Will Have One of the 10 Largest AI Supercomputers in the World. So What?
Artificial Intelligence

Brazil Will Have One of the 10 Largest AI Supercomputers in the World. So What?

R$ 2.3 billion, Nvidia in Rio Grande do Norte and Huawei in Rio de Janeiro. What an AI supercomputer is, why countries want their own, and what changes (or not) for your business and career.

6 min read·Rafa Costa
The AI Scissors: Why Average Wages Stall While AI-Skilled Pay Soars
Career

The AI Scissors: Why Average Wages Stall While AI-Skilled Pay Soars

Two studies seem to contradict each other: AI holds back wages in exposed occupations (6.7 points less) and pays 62% more to those who master the tool. Both are right. Understand the scissors and which side you are on.

6 min read·Rafa Costa
Your Second Brain: The AI That Remembers for You
Productivity

Your Second Brain: The AI That Remembers for You

Lost ideas, articles you never found again, cryptic notes. With AI, your notes become an external memory that answers questions. How to build your second brain in 3 levels, and what not to outsource.

5 min read·Rafa Costa
Speed Is the New IQ: Why AIs Now Fight Over Milliseconds
Artificial Intelligence

Speed Is the New IQ: Why AIs Now Fight Over Milliseconds

The AI race gained a second track: besides smarter, it needs to be instant. Responses 14x faster change where AI fits, and what you should demand from your tools.

5 min read·Rafa Costa
Elections 2026: The Manual for Not Being Fooled by AI in October
Security & Privacy

Elections 2026: The Manual for Not Being Fooled by AI in October

Cloned audio, synthetic video, invented polls: 2026 is the first election where anyone can fabricate any politician's voice. A nonpartisan manual to get through October without being fooled.

5 min read·Rafa Costa
How Much Energy (and Water) Does One ChatGPT Question Cost?
Artificial Intelligence

How Much Energy (and Water) Does One ChatGPT Question Cost?

Every AI question warms up a building full of computers somewhere. The real numbers behind AI's energy and water use, without alarmism and without smoke screens.

5 min read·Rafa Costa
Vibe Coding: The Generation Building Apps by Talking to AI (Without Knowing How to Code)
Productivity

Vibe Coding: The Generation Building Apps by Talking to AI (Without Knowing How to Code)

People are shipping apps without knowing what a variable is: they describe the idea in plain language and the AI builds it. What vibe coding is, what you can really build, and how to start tonight.

5 min read·Rafa Costa
Deepfakes and AI Scams: How to Recognize Them and Protect Your Family
Security & Privacy

Deepfakes and AI Scams: How to Recognize Them and Protect Your Family

Your child's voice asking for money, a celebrity video endorsing an investment, your boss's audio ordering a wire transfer. None of them real. Learn the anatomy of AI scams and the defenses that work.

5 min read·Rafa Costa
AI Girlfriend, AI Therapist, AI Best Friend: The Virtual Companion Phenomenon
Artificial Intelligence

AI Girlfriend, AI Therapist, AI Best Friend: The Virtual Companion Phenomenon

Millions of people talk every day with someone who does not exist. No panic and no mockery: what explains the AI companion phenomenon, what it truly offers, and where the danger lives.

5 min read·Rafa Costa
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