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Elon Musk's Secret Weapon: A Beginner's Guide to First Principles - Microlancer Blog http://t.co/DDPLpFzNjB

— Gopi Vikranth (@GopiVikranth) November 15, 2013

from Twitter https://twitter.com/GopiVikranth



November 15, 2013 at 08:14AM

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