Carlos Rivera
Carlos Rivera
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Product-Market Fit

The Hardest Part of Zero to One Is Knowing What Not to Do

October 6, 2026

The internet is full of scale playbooks, but when you are at zero, the panic reflex is almost always backwards: more ads, more features, and copying companies that are playing an entirely different game.

Startups Product-Market Fit

Validation for People Who Hate Talking to People

May 22, 2026

Running landing pages, launching online surveys, and running ads isn't validation, it's just the elaborate coping mechanism of an introverted, highly technical founder designed to avoid the single most painful thing in business: talking to human beings.

Startups Product-Market Fit Mental Health
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