44K Followers 321 FollowingBlogger primarily on AI and AI x-risk but also other things at Don't Worry About the Vase (SS/WP/LW), founding Balsa Research to fix policy.
251K Followers 7K FollowingOG GenAI Skeptic; spoke at US Senate. Warned about hallucinations in 2001. Advocating world models & neurosymbolic AI ever since. Author, Marcus on AI & 6 books
107K Followers 10K Following"Key Context" Substack covering AI and chips. Reached #1 new bestseller first 24 hrs
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