Written Down — by Isaac Correa

Short letters by Isaac Correa, co-founder of Hellomatik in Madrid, on what a company has to write down about itself before software can be trusted to act on its own.

Sep 11, 2026

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2 min read

The cliff of innovation

Where the hard part stops being building and becomes integrating

Isaac Correa

Sep 9, 2026

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2 min read

Where the exception lives

An approval that sits inside the workflow, and the other place to put it

Isaac Correa

Sep 9, 2026

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2 min read

What changes the morning after

A wholesaler, four questions, and the difference between guessing and knowing

Isaac Correa

Sep 9, 2026

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1 min read

The inventory nobody wants to make

The bottleneck is almost never the model— this is the first of these, so a sentence on what it is: short letters about the part of business automation that does not demo well, from someone who spends his weeks in it.I want to start with the finding that surprised me most, because it is the one I would have dismissed two years ago.When a company tries to hand real work to an AI system and it does not go well, the post-mortem usually blames the technology. In my experience the failure happened earlier and quieter: nobody could say, precisely, what the company's rules were.

Isaac Correa