File sync between devices looks like a UX detail. It isn't. I spent a weekend dissecting the 2021 Kleppmann paper that proves why Dropbox and Google Drive still get this wrong.

Comecei a tomar vinho em 2023 pelo estudo, não pela bebida. Terroir, zero fidelidade a rótulo, e o livro do Kermit Lynch.

The agent framework category is selling reasoning where you need execution. Anthropic, OpenAI, and the original ReAct paper already said so.

Career planning is the polite way to outsource your own evolution. Mid-level is not a position, it is a pause that became permanent. AI made the pause expensive.