Stone AI Apps
AI-powered tools my team built for Brazilian small businesses - create Instagram posts, enhance product photos, translate menus, and analyze competitors. Free to use.
Building at work
How do you lead product teams when the cost of building drops to near-zero and the old playbooks stop working? How do you make decisions faster when certainty disappears?
I lead AI-first transformation across the commercial platform at a fintech with 15,000 people - and I'm expanding its scope into customer-facing AI products. This is where I share what I'm learning about product, AI, ambiguity, and the decisions that shape how teams build.
The AI agrees with you too much
MIT proved mathematically that LLMs are trained to validate, not challenge. They call it delusional spiraling. I built a /contrarian skill to fight it - and the first time I used it, it caught me doing exactly what the study describes.