Kieran’s Substack - The AI Marketing Generalist · Kieran Flanagan
articleplaybookThe Rise of the 'AI Brains'. And Why Everyone Is Building One.
3 July 2026Growth
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About Kieran’s Substack - The AI Marketing GeneralistFrom Karpathy's LLM Wiki to Brian Halligan's digital twin, how the smartest people in tech are building AI systems that think, remember, and act on their behalf.
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