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Gary Marcus

@GaryMarcus
OG GenAI Skeptic; spoke at US Senate. Warned about hallucinations in 2001. Advocating world models & neurosymbolic AI ever since. Author, Marcus on AI & 6 books
garymarcus.substack.com
Joined December 2010
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    Gary Marcus
    @GaryMarcus
    Aug 31, 2025
    Three thoughts on what really matters: 1. Fuck cancer 2. Friends are irreplaceable 3. The new "Marcus test" for AI is when AI makes a significant dent on cancer May that happen sooner, much sooner, rather than later. In memory of my childhood friend Paul.
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    Gary Marcus
    @GaryMarcus
    19h
    👇👇👇 “Pay attention: This is where the A.I. build out goes from something that will threaten tech companies to something that will threaten our entire banking system and our entire economy. Banks, ever ready to package dodgy debt for other people to hold, have begun operation
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    Porter Stansberry
    @porterstansb
    Aug 11
    Here's the real reason the A.I. boom is going to run out of capital. It's the same reason why rates are rising. And it's exactly why there's suddenly a mad scramble for capital in A.I. Equity values will fall as the cost of capital increases 20%-30%. But that's only the
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    Gary Marcus
    @GaryMarcus
    Aug 11
    Is that a *good* thing?
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    Joe Weisenthal
    @TheStalwart
    Aug 10
    ONE CHART THAT EXPLAINS THE CHIP BOOM AI is producing noise on every dimension, but one clear thing is is that estimates of future spending just keeps rising. In the last year, expected hyperscaler CAPEX for 2027 and 2028 has more than doubled.
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