Venture investor Tomasz Tunguz argues product-market fit (PMF) is no longer a one-time milestone but a continuous condition because rapid advances in AI are constantly reshaping customer needs and technical possibilities. He points to firms that lost PMF between 2021–2024, Polymarket’s shifting odds that Google will lead AI by end-2025, and a surge in customer-facing engineers as evidence that companies must iterate in real time. The implication for businesses is stark: maintaining competitiveness now requires ongoing product adaptation, closer customer feedback loops, and increased engineering deployment or risk rapid obsolescence.
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