January 8, 2026
The Things I Got Wrong Building an Internal AI OS in 2025
MARKUS matters not because it’s intelligent, but because it reshaped how our internal teams make decisions, where human judgment stays essential, and where work quietly disappears instead of accumulating.We market it. We demo it. We’re proud of it. Not because anyone else can use it, but because it proves what’s possible when AI is built to serve real operations, not abstract users.
Rey Columna
January 9, 2026
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5 min read