In 2024, I pitched 200+ VCs for EmoPulse — a biometric AI that reads 47 physiological signals from a standard RGB camera. The most common rejection? 'Too early for the market.' Fast forward to today: telehealth platforms are desperate for remote vitals, fleet companies need driver fatigue detection, and enterprise HR wants burnout signals without strapping watches on employees. The TAM shifted from 'maybe someday' to 'we needed this yesterday.' I'm a solo founder running the entire stack on a zero-cost Oracle ARM server. Here's why the VCs who passed will regret their timing thesis — and what I learned about building when nobody believes the market exists yet.

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