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A reader solves the question of why a Turing-tested Google VP and favorite Valleywag target ran away from me at a recent party.

I figured out why Marissa [Mayer] ran from you instead of punching you in the face.

It's obvious: the Three Laws of Robotics.

Earlier: Valleywag party report (including Marissa Mayer incident) [Valleywag]