I just talked to another investor about this startup. I asked how fundraising went for them. "He started his fundraising calls at 9:00 and he was done...

Paul Graham (@paulg) is a prominent programmer, venture capitalist, and cofounder of Y Combinator (YC), the influential startup accelerator that launched companies like Airbnb, Stripe, and Reddit. He is widely read in tech circles for his essays and tweets on startup culture, fundraising, and founder advice. - **What's happening here:** Graham is retelling a conversation with an investor about a startup that raised its entire funding round in 90 minutes — an extremely fast close, signaling very high investor demand. - **The follow-up quote (from an earlier tweet):** Graham cautions that even when a startup raises quickly, the *implied valuation probability* — i.e., the chance (implicit in the terms) that the company will one day be worth billions — is often astronomically low, like 1 in 10,000. This is because early-stage investors price in dilution over many future funding rounds. - **Why it matters:** The tension illustrates a core dynamic of startup finance: a "hot" round (fast, oversubscribed) does not mean the company is likely to become huge. Graham is warning founders and observers not to confuse fundraising speed with long-term probability of success.